Home / 43,068.62-64,602.92-13,488.76

Finding the Fourth Proportional to 43,068.62, 64,602.92 and 13,488.76

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Solution

The fourth proportional to 43,068.62, 64,602.92 and 13,488.76 is: 20,233.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,068.62 : 64,602.92 = 13,488.76 : x
  2. Step 2: Convert to fraction form
    43,068.62/64,602.92 = 13,488.76/x
  3. Step 3: Cross multiply
    43,068.62x = 64,602.92 × 13,488.76
  4. Step 4: Simplify right side
    43,068.62x = 871,413,283.18
  5. Step 5: Solve for x
    x = 871,413,283.18/43,068.62
  6. Step 6: Final answer
    x = 20,233.14

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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.