Home / 51,582.20-77,387.70-25,287.80

Finding the Fourth Proportional to 51,582.20, 77,387.70 and 25,287.80

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Solution

The fourth proportional to 51,582.20, 77,387.70 and 25,287.80 is: 37,938.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,582.20 : 77,387.70 = 25,287.80 : x
  2. Step 2: Convert to fraction form
    51,582.20/77,387.70 = 25,287.80/x
  3. Step 3: Cross multiply
    51,582.20x = 77,387.70 × 25,287.80
  4. Step 4: Simplify right side
    51,582.20x = 1,956,964,680.06
  5. Step 5: Solve for x
    x = 1,956,964,680.06/51,582.20
  6. Step 6: Final answer
    x = 37,938.76

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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.