Home / 40,622.39-60,911.26-12,534.78

Finding the Fourth Proportional to 40,622.39, 60,911.26 and 12,534.78

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Solution

The fourth proportional to 40,622.39, 60,911.26 and 12,534.78 is: 18,795.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,622.39 : 60,911.26 = 12,534.78 : x
  2. Step 2: Convert to fraction form
    40,622.39/60,911.26 = 12,534.78/x
  3. Step 3: Cross multiply
    40,622.39x = 60,911.26 × 12,534.78
  4. Step 4: Simplify right side
    40,622.39x = 763,509,440.70
  5. Step 5: Solve for x
    x = 763,509,440.70/40,622.39
  6. Step 6: Final answer
    x = 18,795.29

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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.