Home / 43,558.12-65,344.86-15,486.76

Finding the Fourth Proportional to 43,558.12, 65,344.86 and 15,486.76

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Solution

The fourth proportional to 43,558.12, 65,344.86 and 15,486.76 is: 23,232.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,558.12 : 65,344.86 = 15,486.76 : x
  2. Step 2: Convert to fraction form
    43,558.12/65,344.86 = 15,486.76/x
  3. Step 3: Cross multiply
    43,558.12x = 65,344.86 × 15,486.76
  4. Step 4: Simplify right side
    43,558.12x = 1,011,980,164.05
  5. Step 5: Solve for x
    x = 1,011,980,164.05/43,558.12
  6. Step 6: Final answer
    x = 23,232.87

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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.