Home / 40,340.67-55,672.82-22,438.86

Finding the Fourth Proportional to 40,340.67, 55,672.82 and 22,438.86

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Solution

The fourth proportional to 40,340.67, 55,672.82 and 22,438.86 is: 30,967.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,340.67 : 55,672.82 = 22,438.86 : x
  2. Step 2: Convert to fraction form
    40,340.67/55,672.82 = 22,438.86/x
  3. Step 3: Cross multiply
    40,340.67x = 55,672.82 × 22,438.86
  4. Step 4: Simplify right side
    40,340.67x = 1,249,234,613.79
  5. Step 5: Solve for x
    x = 1,249,234,613.79/40,340.67
  6. Step 6: Final answer
    x = 30,967.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.