Home / 42,624.80-63,931.44-11,461.92

Finding the Fourth Proportional to 42,624.80, 63,931.44 and 11,461.92

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Solution

The fourth proportional to 42,624.80, 63,931.44 and 11,461.92 is: 17,191.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,624.80 : 63,931.44 = 11,461.92 : x
  2. Step 2: Convert to fraction form
    42,624.80/63,931.44 = 11,461.92/x
  3. Step 3: Cross multiply
    42,624.80x = 63,931.44 × 11,461.92
  4. Step 4: Simplify right side
    42,624.80x = 732,777,050.76
  5. Step 5: Solve for x
    x = 732,777,050.76/42,624.80
  6. Step 6: Final answer
    x = 17,191.33

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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.