Home / 40,275.90-55,576.53-22,367.61

Finding the Fourth Proportional to 40,275.90, 55,576.53 and 22,367.61

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Solution

The fourth proportional to 40,275.90, 55,576.53 and 22,367.61 is: 30,864.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,275.90 : 55,576.53 = 22,367.61 : x
  2. Step 2: Convert to fraction form
    40,275.90/55,576.53 = 22,367.61/x
  3. Step 3: Cross multiply
    40,275.90x = 55,576.53 × 22,367.61
  4. Step 4: Simplify right side
    40,275.90x = 1,243,114,148.19
  5. Step 5: Solve for x
    x = 1,243,114,148.19/40,275.90
  6. Step 6: Final answer
    x = 30,864.96

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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.