Home / 51,930.28-71,663.69-28,056.88

Finding the Fourth Proportional to 51,930.28, 71,663.69 and 28,056.88

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Solution

The fourth proportional to 51,930.28, 71,663.69 and 28,056.88 is: 38,718.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,930.28 : 71,663.69 = 28,056.88 : x
  2. Step 2: Convert to fraction form
    51,930.28/71,663.69 = 28,056.88/x
  3. Step 3: Cross multiply
    51,930.28x = 71,663.69 × 28,056.88
  4. Step 4: Simplify right side
    51,930.28x = 2,010,659,550.69
  5. Step 5: Solve for x
    x = 2,010,659,550.69/51,930.28
  6. Step 6: Final answer
    x = 38,718.44

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1.5x scale

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.