Home / 51,439.30-77,158.40-39,035.52

Finding the Fourth Proportional to 51,439.30, 77,158.40 and 39,035.52

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Solution

The fourth proportional to 51,439.30, 77,158.40 and 39,035.52 is: 58,552.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,439.30 : 77,158.40 = 39,035.52 : x
  2. Step 2: Convert to fraction form
    51,439.30/77,158.40 = 39,035.52/x
  3. Step 3: Cross multiply
    51,439.30x = 77,158.40 × 39,035.52
  4. Step 4: Simplify right side
    51,439.30x = 3,011,918,266.37
  5. Step 5: Solve for x
    x = 3,011,918,266.37/51,439.30
  6. Step 6: Final answer
    x = 58,552.86

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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.