Home / 66,287.04-99,446.13-21,913.79

Finding the Fourth Proportional to 66,287.04, 99,446.13 and 21,913.79

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Solution

The fourth proportional to 66,287.04, 99,446.13 and 21,913.79 is: 32,875.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,287.04 : 99,446.13 = 21,913.79 : x
  2. Step 2: Convert to fraction form
    66,287.04/99,446.13 = 21,913.79/x
  3. Step 3: Cross multiply
    66,287.04x = 99,446.13 × 21,913.79
  4. Step 4: Simplify right side
    66,287.04x = 2,179,241,671.29
  5. Step 5: Solve for x
    x = 2,179,241,671.29/66,287.04
  6. Step 6: Final answer
    x = 32,875.83

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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.