Home / 51,530.28-77,291.70-15,990.69

Finding the Fourth Proportional to 51,530.28, 77,291.70 and 15,990.69

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Solution

The fourth proportional to 51,530.28, 77,291.70 and 15,990.69 is: 23,984.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,530.28 : 77,291.70 = 15,990.69 : x
  2. Step 2: Convert to fraction form
    51,530.28/77,291.70 = 15,990.69/x
  3. Step 3: Cross multiply
    51,530.28x = 77,291.70 × 15,990.69
  4. Step 4: Simplify right side
    51,530.28x = 1,235,947,614.27
  5. Step 5: Solve for x
    x = 1,235,947,614.27/51,530.28
  6. Step 6: Final answer
    x = 23,984.88

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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.