Home / 42,767.71-58,987.97-31,433.38

Finding the Fourth Proportional to 42,767.71, 58,987.97 and 31,433.38

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Solution

The fourth proportional to 42,767.71, 58,987.97 and 31,433.38 is: 43,354.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,767.71 : 58,987.97 = 31,433.38 : x
  2. Step 2: Convert to fraction form
    42,767.71/58,987.97 = 31,433.38/x
  3. Step 3: Cross multiply
    42,767.71x = 58,987.97 × 31,433.38
  4. Step 4: Simplify right side
    42,767.71x = 1,854,191,276.44
  5. Step 5: Solve for x
    x = 1,854,191,276.44/42,767.71
  6. Step 6: Final answer
    x = 43,354.93

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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.