Home / 51,616.80-77,439.78-20,036.52

Finding the Fourth Proportional to 51,616.80, 77,439.78 and 20,036.52

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Solution

The fourth proportional to 51,616.80, 77,439.78 and 20,036.52 is: 30,060.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,616.80 : 77,439.78 = 20,036.52 : x
  2. Step 2: Convert to fraction form
    51,616.80/77,439.78 = 20,036.52/x
  3. Step 3: Cross multiply
    51,616.80x = 77,439.78 × 20,036.52
  4. Step 4: Simplify right side
    51,616.80x = 1,551,623,700.77
  5. Step 5: Solve for x
    x = 1,551,623,700.77/51,616.80
  6. Step 6: Final answer
    x = 30,060.44

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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.