Home / 47,887.40-71,836.06-18,330.12

Finding the Fourth Proportional to 47,887.40, 71,836.06 and 18,330.12

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Solution

The fourth proportional to 47,887.40, 71,836.06 and 18,330.12 is: 27,497.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,887.40 : 71,836.06 = 18,330.12 : x
  2. Step 2: Convert to fraction form
    47,887.40/71,836.06 = 18,330.12/x
  3. Step 3: Cross multiply
    47,887.40x = 71,836.06 × 18,330.12
  4. Step 4: Simplify right side
    47,887.40x = 1,316,763,600.13
  5. Step 5: Solve for x
    x = 1,316,763,600.13/47,887.40
  6. Step 6: Final answer
    x = 27,497.08

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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.