Home / 43,538.45-65,306.32-12,373.70

Finding the Fourth Proportional to 43,538.45, 65,306.32 and 12,373.70

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Solution

The fourth proportional to 43,538.45, 65,306.32 and 12,373.70 is: 18,560.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,538.45 : 65,306.32 = 12,373.70 : x
  2. Step 2: Convert to fraction form
    43,538.45/65,306.32 = 12,373.70/x
  3. Step 3: Cross multiply
    43,538.45x = 65,306.32 × 12,373.70
  4. Step 4: Simplify right side
    43,538.45x = 808,080,454.32
  5. Step 5: Solve for x
    x = 808,080,454.32/43,538.45
  6. Step 6: Final answer
    x = 18,560.16

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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.