Home / 57,781.95-86,516.46-30,021.63

Finding the Fourth Proportional to 57,781.95, 86,516.46 and 30,021.63

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Solution

The fourth proportional to 57,781.95, 86,516.46 and 30,021.63 is: 44,951.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,781.95 : 86,516.46 = 30,021.63 : x
  2. Step 2: Convert to fraction form
    57,781.95/86,516.46 = 30,021.63/x
  3. Step 3: Cross multiply
    57,781.95x = 86,516.46 × 30,021.63
  4. Step 4: Simplify right side
    57,781.95x = 2,597,365,151.03
  5. Step 5: Solve for x
    x = 2,597,365,151.03/57,781.95
  6. Step 6: Final answer
    x = 44,951.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.