Home / 41,139.92-56,773-22,277.20

Finding the Fourth Proportional to 41,139.92, 56,773 and 22,277.20

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Solution

The fourth proportional to 41,139.92, 56,773 and 22,277.20 is: 30,742.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,139.92 : 56,773 = 22,277.20 : x
  2. Step 2: Convert to fraction form
    41,139.92/56,773 = 22,277.20/x
  3. Step 3: Cross multiply
    41,139.92x = 56,773 × 22,277.20
  4. Step 4: Simplify right side
    41,139.92x = 1,264,743,475.60
  5. Step 5: Solve for x
    x = 1,264,743,475.60/41,139.92
  6. Step 6: Final answer
    x = 30,742.49

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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.