Home / 51,711.96-77,597.10-20,549.64

Finding the Fourth Proportional to 51,711.96, 77,597.10 and 20,549.64

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Solution

The fourth proportional to 51,711.96, 77,597.10 and 20,549.64 is: 30,836.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,711.96 : 77,597.10 = 20,549.64 : x
  2. Step 2: Convert to fraction form
    51,711.96/77,597.10 = 20,549.64/x
  3. Step 3: Cross multiply
    51,711.96x = 77,597.10 × 20,549.64
  4. Step 4: Simplify right side
    51,711.96x = 1,594,592,470.04
  5. Step 5: Solve for x
    x = 1,594,592,470.04/51,711.96
  6. Step 6: Final answer
    x = 30,836.05

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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.