Home / 34,510.80-51,773.40-11,139.60

Finding the Fourth Proportional to 34,510.80, 51,773.40 and 11,139.60

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Solution

The fourth proportional to 34,510.80, 51,773.40 and 11,139.60 is: 16,711.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,510.80 : 51,773.40 = 11,139.60 : x
  2. Step 2: Convert to fraction form
    34,510.80/51,773.40 = 11,139.60/x
  3. Step 3: Cross multiply
    34,510.80x = 51,773.40 × 11,139.60
  4. Step 4: Simplify right side
    34,510.80x = 576,734,966.64
  5. Step 5: Solve for x
    x = 576,734,966.64/34,510.80
  6. Step 6: Final answer
    x = 16,711.72

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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.