Home / 51,529.50-77,305.28-15,990.05

Finding the Fourth Proportional to 51,529.50, 77,305.28 and 15,990.05

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Solution

The fourth proportional to 51,529.50, 77,305.28 and 15,990.05 is: 23,988.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,529.50 : 77,305.28 = 15,990.05 : x
  2. Step 2: Convert to fraction form
    51,529.50/77,305.28 = 15,990.05/x
  3. Step 3: Cross multiply
    51,529.50x = 77,305.28 × 15,990.05
  4. Step 4: Simplify right side
    51,529.50x = 1,236,115,405.78
  5. Step 5: Solve for x
    x = 1,236,115,405.78/51,529.50
  6. Step 6: Final answer
    x = 23,988.50

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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.