Home / 47,387.68-71,118.24-17,832.40

Finding the Fourth Proportional to 47,387.68, 71,118.24 and 17,832.40

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Solution

The fourth proportional to 47,387.68, 71,118.24 and 17,832.40 is: 26,762.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,387.68 : 71,118.24 = 17,832.40 : x
  2. Step 2: Convert to fraction form
    47,387.68/71,118.24 = 17,832.40/x
  3. Step 3: Cross multiply
    47,387.68x = 71,118.24 × 17,832.40
  4. Step 4: Simplify right side
    47,387.68x = 1,268,208,902.98
  5. Step 5: Solve for x
    x = 1,268,208,902.98/47,387.68
  6. Step 6: Final answer
    x = 26,762.42

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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.