Home / 84,932.88-127,401.20-30,895.76

Finding the Fourth Proportional to 84,932.88, 127,401.20 and 30,895.76

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Solution

The fourth proportional to 84,932.88, 127,401.20 and 30,895.76 is: 46,344.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,932.88 : 127,401.20 = 30,895.76 : x
  2. Step 2: Convert to fraction form
    84,932.88/127,401.20 = 30,895.76/x
  3. Step 3: Cross multiply
    84,932.88x = 127,401.20 × 30,895.76
  4. Step 4: Simplify right side
    84,932.88x = 3,936,156,898.91
  5. Step 5: Solve for x
    x = 3,936,156,898.91/84,932.88
  6. Step 6: Final answer
    x = 46,344.32

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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.