Home / 43,713.50-65,581.32-12,548.75

Finding the Fourth Proportional to 43,713.50, 65,581.32 and 12,548.75

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Solution

The fourth proportional to 43,713.50, 65,581.32 and 12,548.75 is: 18,826.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,713.50 : 65,581.32 = 12,548.75 : x
  2. Step 2: Convert to fraction form
    43,713.50/65,581.32 = 12,548.75/x
  3. Step 3: Cross multiply
    43,713.50x = 65,581.32 × 12,548.75
  4. Step 4: Simplify right side
    43,713.50x = 822,963,589.35
  5. Step 5: Solve for x
    x = 822,963,589.35/43,713.50
  6. Step 6: Final answer
    x = 18,826.30

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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.