Home / 42,419.94-63,532.98-20,248.88

Finding the Fourth Proportional to 42,419.94, 63,532.98 and 20,248.88

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Solution

The fourth proportional to 42,419.94, 63,532.98 and 20,248.88 is: 30,327.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,419.94 : 63,532.98 = 20,248.88 : x
  2. Step 2: Convert to fraction form
    42,419.94/63,532.98 = 20,248.88/x
  3. Step 3: Cross multiply
    42,419.94x = 63,532.98 × 20,248.88
  4. Step 4: Simplify right side
    42,419.94x = 1,286,471,688.06
  5. Step 5: Solve for x
    x = 1,286,471,688.06/42,419.94
  6. Step 6: Final answer
    x = 30,327.05

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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.