Home / 40,323.80-55,646.54-22,418.65

Finding the Fourth Proportional to 40,323.80, 55,646.54 and 22,418.65

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Solution

The fourth proportional to 40,323.80, 55,646.54 and 22,418.65 is: 30,937.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,323.80 : 55,646.54 = 22,418.65 : x
  2. Step 2: Convert to fraction form
    40,323.80/55,646.54 = 22,418.65/x
  3. Step 3: Cross multiply
    40,323.80x = 55,646.54 × 22,418.65
  4. Step 4: Simplify right side
    40,323.80x = 1,247,520,315.10
  5. Step 5: Solve for x
    x = 1,247,520,315.10/40,323.80
  6. Step 6: Final answer
    x = 30,937.57

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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.