Home / 52,512.32-78,742.20-17,439.68

Finding the Fourth Proportional to 52,512.32, 78,742.20 and 17,439.68

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Solution

The fourth proportional to 52,512.32, 78,742.20 and 17,439.68 is: 26,150.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,512.32 : 78,742.20 = 17,439.68 : x
  2. Step 2: Convert to fraction form
    52,512.32/78,742.20 = 17,439.68/x
  3. Step 3: Cross multiply
    52,512.32x = 78,742.20 × 17,439.68
  4. Step 4: Simplify right side
    52,512.32x = 1,373,238,770.50
  5. Step 5: Solve for x
    x = 1,373,238,770.50/52,512.32
  6. Step 6: Final answer
    x = 26,150.79

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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.