Home / 39,878.29-59,711.05-31,575.25

Finding the Fourth Proportional to 39,878.29, 59,711.05 and 31,575.25

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Solution

The fourth proportional to 39,878.29, 59,711.05 and 31,575.25 is: 47,278.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,878.29 : 59,711.05 = 31,575.25 : x
  2. Step 2: Convert to fraction form
    39,878.29/59,711.05 = 31,575.25/x
  3. Step 3: Cross multiply
    39,878.29x = 59,711.05 × 31,575.25
  4. Step 4: Simplify right side
    39,878.29x = 1,885,391,331.51
  5. Step 5: Solve for x
    x = 1,885,391,331.51/39,878.29
  6. Step 6: Final answer
    x = 47,278.64

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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.