Home / 40,777.74-61,182.95-18,601.56

Finding the Fourth Proportional to 40,777.74, 61,182.95 and 18,601.56

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Solution

The fourth proportional to 40,777.74, 61,182.95 and 18,601.56 is: 27,909.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,777.74 : 61,182.95 = 18,601.56 : x
  2. Step 2: Convert to fraction form
    40,777.74/61,182.95 = 18,601.56/x
  3. Step 3: Cross multiply
    40,777.74x = 61,182.95 × 18,601.56
  4. Step 4: Simplify right side
    40,777.74x = 1,138,098,222.39
  5. Step 5: Solve for x
    x = 1,138,098,222.39/40,777.74
  6. Step 6: Final answer
    x = 27,909.79

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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.