Home / 51,270.76-70,753.57-28,608.38

Finding the Fourth Proportional to 51,270.76, 70,753.57 and 28,608.38

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Solution

The fourth proportional to 51,270.76, 70,753.57 and 28,608.38 is: 39,479.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,270.76 : 70,753.57 = 28,608.38 : x
  2. Step 2: Convert to fraction form
    51,270.76/70,753.57 = 28,608.38/x
  3. Step 3: Cross multiply
    51,270.76x = 70,753.57 × 28,608.38
  4. Step 4: Simplify right side
    51,270.76x = 2,024,144,856.95
  5. Step 5: Solve for x
    x = 2,024,144,856.95/51,270.76
  6. Step 6: Final answer
    x = 39,479.52

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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.