Home / 40,030.67-55,245.19-22,125.29

Finding the Fourth Proportional to 40,030.67, 55,245.19 and 22,125.29

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Solution

The fourth proportional to 40,030.67, 55,245.19 and 22,125.29 is: 30,534.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,030.67 : 55,245.19 = 22,125.29 : x
  2. Step 2: Convert to fraction form
    40,030.67/55,245.19 = 22,125.29/x
  3. Step 3: Cross multiply
    40,030.67x = 55,245.19 × 22,125.29
  4. Step 4: Simplify right side
    40,030.67x = 1,222,315,849.86
  5. Step 5: Solve for x
    x = 1,222,315,849.86/40,030.67
  6. Step 6: Final answer
    x = 30,534.48

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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.