Home / 38,174.16-52,680.24-21,407.52

Finding the Fourth Proportional to 38,174.16, 52,680.24 and 21,407.52

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Solution

The fourth proportional to 38,174.16, 52,680.24 and 21,407.52 is: 29,542.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,174.16 : 52,680.24 = 21,407.52 : x
  2. Step 2: Convert to fraction form
    38,174.16/52,680.24 = 21,407.52/x
  3. Step 3: Cross multiply
    38,174.16x = 52,680.24 × 21,407.52
  4. Step 4: Simplify right side
    38,174.16x = 1,127,753,291.40
  5. Step 5: Solve for x
    x = 1,127,753,291.40/38,174.16
  6. Step 6: Final answer
    x = 29,542.32

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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.