Home / 42,274.52-63,419.08-14,197.28

Finding the Fourth Proportional to 42,274.52, 63,419.08 and 14,197.28

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Solution

The fourth proportional to 42,274.52, 63,419.08 and 14,197.28 is: 21,298.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,274.52 : 63,419.08 = 14,197.28 : x
  2. Step 2: Convert to fraction form
    42,274.52/63,419.08 = 14,197.28/x
  3. Step 3: Cross multiply
    42,274.52x = 63,419.08 × 14,197.28
  4. Step 4: Simplify right side
    42,274.52x = 900,378,436.10
  5. Step 5: Solve for x
    x = 900,378,436.10/42,274.52
  6. Step 6: Final answer
    x = 21,298.37

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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.