Home / 87,774.24-131,628.72-31,599.12

Finding the Fourth Proportional to 87,774.24, 131,628.72 and 31,599.12

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Solution

The fourth proportional to 87,774.24, 131,628.72 and 31,599.12 is: 47,386.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,774.24 : 131,628.72 = 31,599.12 : x
  2. Step 2: Convert to fraction form
    87,774.24/131,628.72 = 31,599.12/x
  3. Step 3: Cross multiply
    87,774.24x = 131,628.72 × 31,599.12
  4. Step 4: Simplify right side
    87,774.24x = 4,159,351,718.73
  5. Step 5: Solve for x
    x = 4,159,351,718.73/87,774.24
  6. Step 6: Final answer
    x = 47,386.93

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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.