Home / 42,668.52-64,006.20-11,503.32

Finding the Fourth Proportional to 42,668.52, 64,006.20 and 11,503.32

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Solution

The fourth proportional to 42,668.52, 64,006.20 and 11,503.32 is: 17,255.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,668.52 : 64,006.20 = 11,503.32 : x
  2. Step 2: Convert to fraction form
    42,668.52/64,006.20 = 11,503.32/x
  3. Step 3: Cross multiply
    42,668.52x = 64,006.20 × 11,503.32
  4. Step 4: Simplify right side
    42,668.52x = 736,283,800.58
  5. Step 5: Solve for x
    x = 736,283,800.58/42,668.52
  6. Step 6: Final answer
    x = 17,255.90

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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.