Home / 31,719.52-47,579.36-9,535.20

Finding the Fourth Proportional to 31,719.52, 47,579.36 and 9,535.20

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Solution

The fourth proportional to 31,719.52, 47,579.36 and 9,535.20 is: 14,302.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,719.52 : 47,579.36 = 9,535.20 : x
  2. Step 2: Convert to fraction form
    31,719.52/47,579.36 = 9,535.20/x
  3. Step 3: Cross multiply
    31,719.52x = 47,579.36 × 9,535.20
  4. Step 4: Simplify right side
    31,719.52x = 453,678,713.47
  5. Step 5: Solve for x
    x = 453,678,713.47/31,719.52
  6. Step 6: Final answer
    x = 14,302.82

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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.