Home / 43,001.04-64,472.28-21,889.20

Finding the Fourth Proportional to 43,001.04, 64,472.28 and 21,889.20

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Solution

The fourth proportional to 43,001.04, 64,472.28 and 21,889.20 is: 32,818.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,001.04 : 64,472.28 = 21,889.20 : x
  2. Step 2: Convert to fraction form
    43,001.04/64,472.28 = 21,889.20/x
  3. Step 3: Cross multiply
    43,001.04x = 64,472.28 × 21,889.20
  4. Step 4: Simplify right side
    43,001.04x = 1,411,246,631.38
  5. Step 5: Solve for x
    x = 1,411,246,631.38/43,001.04
  6. Step 6: Final answer
    x = 32,818.90

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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.