Home / 43,546.10-65,312.60-13,959.95

Finding the Fourth Proportional to 43,546.10, 65,312.60 and 13,959.95

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Solution

The fourth proportional to 43,546.10, 65,312.60 and 13,959.95 is: 20,937.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,546.10 : 65,312.60 = 13,959.95 : x
  2. Step 2: Convert to fraction form
    43,546.10/65,312.60 = 13,959.95/x
  3. Step 3: Cross multiply
    43,546.10x = 65,312.60 × 13,959.95
  4. Step 4: Simplify right side
    43,546.10x = 911,760,234.01
  5. Step 5: Solve for x
    x = 911,760,234.01/43,546.10
  6. Step 6: Final answer
    x = 20,937.82

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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.