Home / 47,490.18-71,144.55-28,775.94

Finding the Fourth Proportional to 47,490.18, 71,144.55 and 28,775.94

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Solution

The fourth proportional to 47,490.18, 71,144.55 and 28,775.94 is: 43,108.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,490.18 : 71,144.55 = 28,775.94 : x
  2. Step 2: Convert to fraction form
    47,490.18/71,144.55 = 28,775.94/x
  3. Step 3: Cross multiply
    47,490.18x = 71,144.55 × 28,775.94
  4. Step 4: Simplify right side
    47,490.18x = 2,047,251,302.13
  5. Step 5: Solve for x
    x = 2,047,251,302.13/47,490.18
  6. Step 6: Final answer
    x = 43,108.94

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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.