Home / 38,463.06-53,079.04-21,235.44

Finding the Fourth Proportional to 38,463.06, 53,079.04 and 21,235.44

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Solution

The fourth proportional to 38,463.06, 53,079.04 and 21,235.44 is: 29,304.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,463.06 : 53,079.04 = 21,235.44 : x
  2. Step 2: Convert to fraction form
    38,463.06/53,079.04 = 21,235.44/x
  3. Step 3: Cross multiply
    38,463.06x = 53,079.04 × 21,235.44
  4. Step 4: Simplify right side
    38,463.06x = 1,127,156,636.49
  5. Step 5: Solve for x
    x = 1,127,156,636.49/38,463.06
  6. Step 6: Final answer
    x = 29,304.92

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Double scale
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Similar ratio
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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.