Home / 51,497.28-71,065.04-30,277.12

Finding the Fourth Proportional to 51,497.28, 71,065.04 and 30,277.12

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Solution

The fourth proportional to 51,497.28, 71,065.04 and 30,277.12 is: 41,781.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,497.28 : 71,065.04 = 30,277.12 : x
  2. Step 2: Convert to fraction form
    51,497.28/71,065.04 = 30,277.12/x
  3. Step 3: Cross multiply
    51,497.28x = 71,065.04 × 30,277.12
  4. Step 4: Simplify right side
    51,497.28x = 2,151,644,743.88
  5. Step 5: Solve for x
    x = 2,151,644,743.88/51,497.28
  6. Step 6: Final answer
    x = 41,781.72

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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.