Home / 40,423.32-60,634.98-19,629

Finding the Fourth Proportional to 40,423.32, 60,634.98 and 19,629

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Solution

The fourth proportional to 40,423.32, 60,634.98 and 19,629 is: 29,443.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,423.32 : 60,634.98 = 19,629 : x
  2. Step 2: Convert to fraction form
    40,423.32/60,634.98 = 19,629/x
  3. Step 3: Cross multiply
    40,423.32x = 60,634.98 × 19,629
  4. Step 4: Simplify right side
    40,423.32x = 1,190,204,022.42
  5. Step 5: Solve for x
    x = 1,190,204,022.42/40,423.32
  6. Step 6: Final answer
    x = 29,443.50

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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.