Home / 42,073.16-63,104.27-18,694.13

Finding the Fourth Proportional to 42,073.16, 63,104.27 and 18,694.13

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Solution

The fourth proportional to 42,073.16, 63,104.27 and 18,694.13 is: 28,038.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,073.16 : 63,104.27 = 18,694.13 : x
  2. Step 2: Convert to fraction form
    42,073.16/63,104.27 = 18,694.13/x
  3. Step 3: Cross multiply
    42,073.16x = 63,104.27 × 18,694.13
  4. Step 4: Simplify right side
    42,073.16x = 1,179,679,017.94
  5. Step 5: Solve for x
    x = 1,179,679,017.94/42,073.16
  6. Step 6: Final answer
    x = 28,038.76

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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.