Home / 56,158.97-84,210.27-18,705.87

Finding the Fourth Proportional to 56,158.97, 84,210.27 and 18,705.87

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Solution

The fourth proportional to 56,158.97, 84,210.27 and 18,705.87 is: 28,049.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,158.97 : 84,210.27 = 18,705.87 : x
  2. Step 2: Convert to fraction form
    56,158.97/84,210.27 = 18,705.87/x
  3. Step 3: Cross multiply
    56,158.97x = 84,210.27 × 18,705.87
  4. Step 4: Simplify right side
    56,158.97x = 1,575,226,363.28
  5. Step 5: Solve for x
    x = 1,575,226,363.28/56,158.97
  6. Step 6: Final answer
    x = 28,049.42

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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.