Home / 40,112.19-55,356.48-22,206.87

Finding the Fourth Proportional to 40,112.19, 55,356.48 and 22,206.87

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Solution

The fourth proportional to 40,112.19, 55,356.48 and 22,206.87 is: 30,646.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,112.19 : 55,356.48 = 22,206.87 : x
  2. Step 2: Convert to fraction form
    40,112.19/55,356.48 = 22,206.87/x
  3. Step 3: Cross multiply
    40,112.19x = 55,356.48 × 22,206.87
  4. Step 4: Simplify right side
    40,112.19x = 1,229,294,155.02
  5. Step 5: Solve for x
    x = 1,229,294,155.02/40,112.19
  6. Step 6: Final answer
    x = 30,646.40

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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.