Home / 42,156.88-63,221.33-14,069.12

Finding the Fourth Proportional to 42,156.88, 63,221.33 and 14,069.12

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Solution

The fourth proportional to 42,156.88, 63,221.33 and 14,069.12 is: 21,099.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,156.88 : 63,221.33 = 14,069.12 : x
  2. Step 2: Convert to fraction form
    42,156.88/63,221.33 = 14,069.12/x
  3. Step 3: Cross multiply
    42,156.88x = 63,221.33 × 14,069.12
  4. Step 4: Simplify right side
    42,156.88x = 889,468,197.40
  5. Step 5: Solve for x
    x = 889,468,197.40/42,156.88
  6. Step 6: Final answer
    x = 21,099.01

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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.