Home / 47,389.38-71,108.67-19,330.02

Finding the Fourth Proportional to 47,389.38, 71,108.67 and 19,330.02

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Solution

The fourth proportional to 47,389.38, 71,108.67 and 19,330.02 is: 29,005.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,389.38 : 71,108.67 = 19,330.02 : x
  2. Step 2: Convert to fraction form
    47,389.38/71,108.67 = 19,330.02/x
  3. Step 3: Cross multiply
    47,389.38x = 71,108.67 × 19,330.02
  4. Step 4: Simplify right side
    47,389.38x = 1,374,532,013.27
  5. Step 5: Solve for x
    x = 1,374,532,013.27/47,389.38
  6. Step 6: Final answer
    x = 29,005.06

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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.