Home / 45,630.90-68,446.54-14,040.76

Finding the Fourth Proportional to 45,630.90, 68,446.54 and 14,040.76

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Solution

The fourth proportional to 45,630.90, 68,446.54 and 14,040.76 is: 21,061.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,630.90 : 68,446.54 = 14,040.76 : x
  2. Step 2: Convert to fraction form
    45,630.90/68,446.54 = 14,040.76/x
  3. Step 3: Cross multiply
    45,630.90x = 68,446.54 × 14,040.76
  4. Step 4: Simplify right side
    45,630.90x = 961,041,440.97
  5. Step 5: Solve for x
    x = 961,041,440.97/45,630.90
  6. Step 6: Final answer
    x = 21,061.20

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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.