Home / 45,543.20-68,321.16-12,264.35

Finding the Fourth Proportional to 45,543.20, 68,321.16 and 12,264.35

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Solution

The fourth proportional to 45,543.20, 68,321.16 and 12,264.35 is: 18,398.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,543.20 : 68,321.16 = 12,264.35 : x
  2. Step 2: Convert to fraction form
    45,543.20/68,321.16 = 12,264.35/x
  3. Step 3: Cross multiply
    45,543.20x = 68,321.16 × 12,264.35
  4. Step 4: Simplify right side
    45,543.20x = 837,914,277.04
  5. Step 5: Solve for x
    x = 837,914,277.04/45,543.20
  6. Step 6: Final answer
    x = 18,398.23

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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.