Home / 42,272.64-63,401.88-14,189.55

Finding the Fourth Proportional to 42,272.64, 63,401.88 and 14,189.55

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Solution

The fourth proportional to 42,272.64, 63,401.88 and 14,189.55 is: 21,281.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,272.64 : 63,401.88 = 14,189.55 : x
  2. Step 2: Convert to fraction form
    42,272.64/63,401.88 = 14,189.55/x
  3. Step 3: Cross multiply
    42,272.64x = 63,401.88 × 14,189.55
  4. Step 4: Simplify right side
    42,272.64x = 899,644,146.35
  5. Step 5: Solve for x
    x = 899,644,146.35/42,272.64
  6. Step 6: Final answer
    x = 21,281.95

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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.