Home / 43,604.28-65,386.98-12,432.24

Finding the Fourth Proportional to 43,604.28, 65,386.98 and 12,432.24

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Solution

The fourth proportional to 43,604.28, 65,386.98 and 12,432.24 is: 18,642.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,604.28 : 65,386.98 = 12,432.24 : x
  2. Step 2: Convert to fraction form
    43,604.28/65,386.98 = 12,432.24/x
  3. Step 3: Cross multiply
    43,604.28x = 65,386.98 × 12,432.24
  4. Step 4: Simplify right side
    43,604.28x = 812,906,628.24
  5. Step 5: Solve for x
    x = 812,906,628.24/43,604.28
  6. Step 6: Final answer
    x = 18,642.82

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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.