Home / 42,542.32-63,810.89-18,842.91

Finding the Fourth Proportional to 42,542.32, 63,810.89 and 18,842.91

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Solution

The fourth proportional to 42,542.32, 63,810.89 and 18,842.91 is: 28,263.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,542.32 : 63,810.89 = 18,842.91 : x
  2. Step 2: Convert to fraction form
    42,542.32/63,810.89 = 18,842.91/x
  3. Step 3: Cross multiply
    42,542.32x = 63,810.89 × 18,842.91
  4. Step 4: Simplify right side
    42,542.32x = 1,202,382,857.29
  5. Step 5: Solve for x
    x = 1,202,382,857.29/42,542.32
  6. Step 6: Final answer
    x = 28,263.22

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1.5x scale

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.