Home / 40,360.14-55,697.76-22,455.90

Finding the Fourth Proportional to 40,360.14, 55,697.76 and 22,455.90

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Solution

The fourth proportional to 40,360.14, 55,697.76 and 22,455.90 is: 30,989.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,360.14 : 55,697.76 = 22,455.90 : x
  2. Step 2: Convert to fraction form
    40,360.14/55,697.76 = 22,455.90/x
  3. Step 3: Cross multiply
    40,360.14x = 55,697.76 × 22,455.90
  4. Step 4: Simplify right side
    40,360.14x = 1,250,743,328.78
  5. Step 5: Solve for x
    x = 1,250,743,328.78/40,360.14
  6. Step 6: Final answer
    x = 30,989.57

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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.