Home / 42,267.68-63,397.74-12,692.12

Finding the Fourth Proportional to 42,267.68, 63,397.74 and 12,692.12

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Solution

The fourth proportional to 42,267.68, 63,397.74 and 12,692.12 is: 19,037.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,267.68 : 63,397.74 = 12,692.12 : x
  2. Step 2: Convert to fraction form
    42,267.68/63,397.74 = 12,692.12/x
  3. Step 3: Cross multiply
    42,267.68x = 63,397.74 × 12,692.12
  4. Step 4: Simplify right side
    42,267.68x = 804,651,723.81
  5. Step 5: Solve for x
    x = 804,651,723.81/42,267.68
  6. Step 6: Final answer
    x = 19,037.04

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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.