Home / 42,125.46-63,139.59-15,813.42

Finding the Fourth Proportional to 42,125.46, 63,139.59 and 15,813.42

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Solution

The fourth proportional to 42,125.46, 63,139.59 and 15,813.42 is: 23,701.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,125.46 : 63,139.59 = 15,813.42 : x
  2. Step 2: Convert to fraction form
    42,125.46/63,139.59 = 15,813.42/x
  3. Step 3: Cross multiply
    42,125.46x = 63,139.59 × 15,813.42
  4. Step 4: Simplify right side
    42,125.46x = 998,452,855.30
  5. Step 5: Solve for x
    x = 998,452,855.30/42,125.46
  6. Step 6: Final answer
    x = 23,701.89

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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.