Home / 43,558.20-65,343.06-13,966.20

Finding the Fourth Proportional to 43,558.20, 65,343.06 and 13,966.20

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Solution

The fourth proportional to 43,558.20, 65,343.06 and 13,966.20 is: 20,951.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,558.20 : 65,343.06 = 13,966.20 : x
  2. Step 2: Convert to fraction form
    43,558.20/65,343.06 = 13,966.20/x
  3. Step 3: Cross multiply
    43,558.20x = 65,343.06 × 13,966.20
  4. Step 4: Simplify right side
    43,558.20x = 912,594,244.57
  5. Step 5: Solve for x
    x = 912,594,244.57/43,558.20
  6. Step 6: Final answer
    x = 20,951.15

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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.