Home / 48,087.72-72,131.58-31,552.38

Finding the Fourth Proportional to 48,087.72, 72,131.58 and 31,552.38

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Solution

The fourth proportional to 48,087.72, 72,131.58 and 31,552.38 is: 47,328.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,087.72 : 72,131.58 = 31,552.38 : x
  2. Step 2: Convert to fraction form
    48,087.72/72,131.58 = 31,552.38/x
  3. Step 3: Cross multiply
    48,087.72x = 72,131.58 × 31,552.38
  4. Step 4: Simplify right side
    48,087.72x = 2,275,923,022.16
  5. Step 5: Solve for x
    x = 2,275,923,022.16/48,087.72
  6. Step 6: Final answer
    x = 47,328.57

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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.