Home / 39,175.67-54,062.91-21,270.98

Finding the Fourth Proportional to 39,175.67, 54,062.91 and 21,270.98

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Solution

The fourth proportional to 39,175.67, 54,062.91 and 21,270.98 is: 29,354.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,175.67 : 54,062.91 = 21,270.98 : x
  2. Step 2: Convert to fraction form
    39,175.67/54,062.91 = 21,270.98/x
  3. Step 3: Cross multiply
    39,175.67x = 54,062.91 × 21,270.98
  4. Step 4: Simplify right side
    39,175.67x = 1,149,970,807.04
  5. Step 5: Solve for x
    x = 1,149,970,807.04/39,175.67
  6. Step 6: Final answer
    x = 29,354.21

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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.