Home / 40,022.89-55,230.10-22,117.53

Finding the Fourth Proportional to 40,022.89, 55,230.10 and 22,117.53

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Solution

The fourth proportional to 40,022.89, 55,230.10 and 22,117.53 is: 30,521.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,022.89 : 55,230.10 = 22,117.53 : x
  2. Step 2: Convert to fraction form
    40,022.89/55,230.10 = 22,117.53/x
  3. Step 3: Cross multiply
    40,022.89x = 55,230.10 × 22,117.53
  4. Step 4: Simplify right side
    40,022.89x = 1,221,553,393.65
  5. Step 5: Solve for x
    x = 1,221,553,393.65/40,022.89
  6. Step 6: Final answer
    x = 30,521.37

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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.