Home / 40,140.51-55,397.04-22,237.23

Finding the Fourth Proportional to 40,140.51, 55,397.04 and 22,237.23

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Solution

The fourth proportional to 40,140.51, 55,397.04 and 22,237.23 is: 30,689.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,140.51 : 55,397.04 = 22,237.23 : x
  2. Step 2: Convert to fraction form
    40,140.51/55,397.04 = 22,237.23/x
  3. Step 3: Cross multiply
    40,140.51x = 55,397.04 × 22,237.23
  4. Step 4: Simplify right side
    40,140.51x = 1,231,876,719.80
  5. Step 5: Solve for x
    x = 1,231,876,719.80/40,140.51
  6. Step 6: Final answer
    x = 30,689.11

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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.