Home / 42,433.76-63,658.44-13,972.34

Finding the Fourth Proportional to 42,433.76, 63,658.44 and 13,972.34

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Solution

The fourth proportional to 42,433.76, 63,658.44 and 13,972.34 is: 20,961.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,433.76 : 63,658.44 = 13,972.34 : x
  2. Step 2: Convert to fraction form
    42,433.76/63,658.44 = 13,972.34/x
  3. Step 3: Cross multiply
    42,433.76x = 63,658.44 × 13,972.34
  4. Step 4: Simplify right side
    42,433.76x = 889,457,526.70
  5. Step 5: Solve for x
    x = 889,457,526.70/42,433.76
  6. Step 6: Final answer
    x = 20,961.08

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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.