Home / 51,034.95-70,432.16-28,375.83

Finding the Fourth Proportional to 51,034.95, 70,432.16 and 28,375.83

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Solution

The fourth proportional to 51,034.95, 70,432.16 and 28,375.83 is: 39,160.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,034.95 : 70,432.16 = 28,375.83 : x
  2. Step 2: Convert to fraction form
    51,034.95/70,432.16 = 28,375.83/x
  3. Step 3: Cross multiply
    51,034.95x = 70,432.16 × 28,375.83
  4. Step 4: Simplify right side
    51,034.95x = 1,998,570,856.81
  5. Step 5: Solve for x
    x = 1,998,570,856.81/51,034.95
  6. Step 6: Final answer
    x = 39,160.83

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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.