Home / 31,499.55-47,249.33-28,777.95

Finding the Fourth Proportional to 31,499.55, 47,249.33 and 28,777.95

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Solution

The fourth proportional to 31,499.55, 47,249.33 and 28,777.95 is: 43,166.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,499.55 : 47,249.33 = 28,777.95 : x
  2. Step 2: Convert to fraction form
    31,499.55/47,249.33 = 28,777.95/x
  3. Step 3: Cross multiply
    31,499.55x = 47,249.33 × 28,777.95
  4. Step 4: Simplify right side
    31,499.55x = 1,359,738,712.38
  5. Step 5: Solve for x
    x = 1,359,738,712.38/31,499.55
  6. Step 6: Final answer
    x = 43,166.93

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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.