Home / 42,264.10-63,311.40-20,098.84

Finding the Fourth Proportional to 42,264.10, 63,311.40 and 20,098.84

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Solution

The fourth proportional to 42,264.10, 63,311.40 and 20,098.84 is: 30,107.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,264.10 : 63,311.40 = 20,098.84 : x
  2. Step 2: Convert to fraction form
    42,264.10/63,311.40 = 20,098.84/x
  3. Step 3: Cross multiply
    42,264.10x = 63,311.40 × 20,098.84
  4. Step 4: Simplify right side
    42,264.10x = 1,272,485,698.78
  5. Step 5: Solve for x
    x = 1,272,485,698.78/42,264.10
  6. Step 6: Final answer
    x = 30,107.96

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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.