Home / 42,009.96-63,025.68-13,937.85

Finding the Fourth Proportional to 42,009.96, 63,025.68 and 13,937.85

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Solution

The fourth proportional to 42,009.96, 63,025.68 and 13,937.85 is: 20,910.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,009.96 : 63,025.68 = 13,937.85 : x
  2. Step 2: Convert to fraction form
    42,009.96/63,025.68 = 13,937.85/x
  3. Step 3: Cross multiply
    42,009.96x = 63,025.68 × 13,937.85
  4. Step 4: Simplify right side
    42,009.96x = 878,442,473.99
  5. Step 5: Solve for x
    x = 878,442,473.99/42,009.96
  6. Step 6: Final answer
    x = 20,910.34

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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.