Home / 42,684.52-64,030.20-11,519.32

Finding the Fourth Proportional to 42,684.52, 64,030.20 and 11,519.32

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Solution

The fourth proportional to 42,684.52, 64,030.20 and 11,519.32 is: 17,279.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,684.52 : 64,030.20 = 11,519.32 : x
  2. Step 2: Convert to fraction form
    42,684.52/64,030.20 = 11,519.32/x
  3. Step 3: Cross multiply
    42,684.52x = 64,030.20 × 11,519.32
  4. Step 4: Simplify right side
    42,684.52x = 737,584,363.46
  5. Step 5: Solve for x
    x = 737,584,363.46/42,684.52
  6. Step 6: Final answer
    x = 17,279.90

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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.