Home / 38,439.82-53,042.91-22,521.30

Finding the Fourth Proportional to 38,439.82, 53,042.91 and 22,521.30

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Solution

The fourth proportional to 38,439.82, 53,042.91 and 22,521.30 is: 31,077.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,439.82 : 53,042.91 = 22,521.30 : x
  2. Step 2: Convert to fraction form
    38,439.82/53,042.91 = 22,521.30/x
  3. Step 3: Cross multiply
    38,439.82x = 53,042.91 × 22,521.30
  4. Step 4: Simplify right side
    38,439.82x = 1,194,595,288.98
  5. Step 5: Solve for x
    x = 1,194,595,288.98/38,439.82
  6. Step 6: Final answer
    x = 31,077.03

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Half scale
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Double scale
Find fourth proportional to 38,440.82, 53,044.29 and 22,522.30
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.