Home / 40,330.50-55,652.91-22,424.40

Finding the Fourth Proportional to 40,330.50, 55,652.91 and 22,424.40

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Solution

The fourth proportional to 40,330.50, 55,652.91 and 22,424.40 is: 30,943.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,330.50 : 55,652.91 = 22,424.40 : x
  2. Step 2: Convert to fraction form
    40,330.50/55,652.91 = 22,424.40/x
  3. Step 3: Cross multiply
    40,330.50x = 55,652.91 × 22,424.40
  4. Step 4: Simplify right side
    40,330.50x = 1,247,983,115.00
  5. Step 5: Solve for x
    x = 1,247,983,115.00/40,330.50
  6. Step 6: Final answer
    x = 30,943.90

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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.