Home / 42,494.04-63,740.99-20,239.92

Finding the Fourth Proportional to 42,494.04, 63,740.99 and 20,239.92

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Solution

The fourth proportional to 42,494.04, 63,740.99 and 20,239.92 is: 30,359.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,494.04 : 63,740.99 = 20,239.92 : x
  2. Step 2: Convert to fraction form
    42,494.04/63,740.99 = 20,239.92/x
  3. Step 3: Cross multiply
    42,494.04x = 63,740.99 × 20,239.92
  4. Step 4: Simplify right side
    42,494.04x = 1,290,112,538.32
  5. Step 5: Solve for x
    x = 1,290,112,538.32/42,494.04
  6. Step 6: Final answer
    x = 30,359.85

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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.