Home / 40,041.09-55,254.57-22,135.05

Finding the Fourth Proportional to 40,041.09, 55,254.57 and 22,135.05

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Solution

The fourth proportional to 40,041.09, 55,254.57 and 22,135.05 is: 30,545.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,041.09 : 55,254.57 = 22,135.05 : x
  2. Step 2: Convert to fraction form
    40,041.09/55,254.57 = 22,135.05/x
  3. Step 3: Cross multiply
    40,041.09x = 55,254.57 × 22,135.05
  4. Step 4: Simplify right side
    40,041.09x = 1,223,062,669.68
  5. Step 5: Solve for x
    x = 1,223,062,669.68/40,041.09
  6. Step 6: Final answer
    x = 30,545.19

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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.