Home / 51,557.52-71,149.60-30,060

Finding the Fourth Proportional to 51,557.52, 71,149.60 and 30,060

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Solution

The fourth proportional to 51,557.52, 71,149.60 and 30,060 is: 41,482.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,557.52 : 71,149.60 = 30,060 : x
  2. Step 2: Convert to fraction form
    51,557.52/71,149.60 = 30,060/x
  3. Step 3: Cross multiply
    51,557.52x = 71,149.60 × 30,060
  4. Step 4: Simplify right side
    51,557.52x = 2,138,756,976.00
  5. Step 5: Solve for x
    x = 2,138,756,976.00/51,557.52
  6. Step 6: Final answer
    x = 41,482.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.