Home / 56,680.65-78,218.04-32,806.86

Finding the Fourth Proportional to 56,680.65, 78,218.04 and 32,806.86

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Solution

The fourth proportional to 56,680.65, 78,218.04 and 32,806.86 is: 45,272.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,680.65 : 78,218.04 = 32,806.86 : x
  2. Step 2: Convert to fraction form
    56,680.65/78,218.04 = 32,806.86/x
  3. Step 3: Cross multiply
    56,680.65x = 78,218.04 × 32,806.86
  4. Step 4: Simplify right side
    56,680.65x = 2,566,088,287.75
  5. Step 5: Solve for x
    x = 2,566,088,287.75/56,680.65
  6. Step 6: Final answer
    x = 45,272.74

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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.