Home / 72,564.04-108,833.28-19,961.02

Finding the Fourth Proportional to 72,564.04, 108,833.28 and 19,961.02

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Solution

The fourth proportional to 72,564.04, 108,833.28 and 19,961.02 is: 29,938.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,564.04 : 108,833.28 = 19,961.02 : x
  2. Step 2: Convert to fraction form
    72,564.04/108,833.28 = 19,961.02/x
  3. Step 3: Cross multiply
    72,564.04x = 108,833.28 × 19,961.02
  4. Step 4: Simplify right side
    72,564.04x = 2,172,423,278.75
  5. Step 5: Solve for x
    x = 2,172,423,278.75/72,564.04
  6. Step 6: Final answer
    x = 29,938.01

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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.