Home / 65,326.91-90,156.29-38,474.65

Finding the Fourth Proportional to 65,326.91, 90,156.29 and 38,474.65

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Solution

The fourth proportional to 65,326.91, 90,156.29 and 38,474.65 is: 53,098.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,326.91 : 90,156.29 = 38,474.65 : x
  2. Step 2: Convert to fraction form
    65,326.91/90,156.29 = 38,474.65/x
  3. Step 3: Cross multiply
    65,326.91x = 90,156.29 × 38,474.65
  4. Step 4: Simplify right side
    65,326.91x = 3,468,731,332.66
  5. Step 5: Solve for x
    x = 3,468,731,332.66/65,326.91
  6. Step 6: Final answer
    x = 53,098.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.