Home / 42,127.52-63,170.08-14,037.64

Finding the Fourth Proportional to 42,127.52, 63,170.08 and 14,037.64

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Solution

The fourth proportional to 42,127.52, 63,170.08 and 14,037.64 is: 21,049.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,127.52 : 63,170.08 = 14,037.64 : x
  2. Step 2: Convert to fraction form
    42,127.52/63,170.08 = 14,037.64/x
  3. Step 3: Cross multiply
    42,127.52x = 63,170.08 × 14,037.64
  4. Step 4: Simplify right side
    42,127.52x = 886,758,841.81
  5. Step 5: Solve for x
    x = 886,758,841.81/42,127.52
  6. Step 6: Final answer
    x = 21,049.40

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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.