Home / 42,472.53-63,570.14-31,224.91

Finding the Fourth Proportional to 42,472.53, 63,570.14 and 31,224.91

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Solution

The fourth proportional to 42,472.53, 63,570.14 and 31,224.91 is: 46,735.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,472.53 : 63,570.14 = 31,224.91 : x
  2. Step 2: Convert to fraction form
    42,472.53/63,570.14 = 31,224.91/x
  3. Step 3: Cross multiply
    42,472.53x = 63,570.14 × 31,224.91
  4. Step 4: Simplify right side
    42,472.53x = 1,984,971,641.06
  5. Step 5: Solve for x
    x = 1,984,971,641.06/42,472.53
  6. Step 6: Final answer
    x = 46,735.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.