Home / 40,312.66-55,629.07-22,407.04

Finding the Fourth Proportional to 40,312.66, 55,629.07 and 22,407.04

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Solution

The fourth proportional to 40,312.66, 55,629.07 and 22,407.04 is: 30,920.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,312.66 : 55,629.07 = 22,407.04 : x
  2. Step 2: Convert to fraction form
    40,312.66/55,629.07 = 22,407.04/x
  3. Step 3: Cross multiply
    40,312.66x = 55,629.07 × 22,407.04
  4. Step 4: Simplify right side
    40,312.66x = 1,246,482,796.65
  5. Step 5: Solve for x
    x = 1,246,482,796.65/40,312.66
  6. Step 6: Final answer
    x = 30,920.38

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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.