Home / 40,278.16-55,581.30-22,373.22

Finding the Fourth Proportional to 40,278.16, 55,581.30 and 22,373.22

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Solution

The fourth proportional to 40,278.16, 55,581.30 and 22,373.22 is: 30,873.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,278.16 : 55,581.30 = 22,373.22 : x
  2. Step 2: Convert to fraction form
    40,278.16/55,581.30 = 22,373.22/x
  3. Step 3: Cross multiply
    40,278.16x = 55,581.30 × 22,373.22
  4. Step 4: Simplify right side
    40,278.16x = 1,243,532,652.79
  5. Step 5: Solve for x
    x = 1,243,532,652.79/40,278.16
  6. Step 6: Final answer
    x = 30,873.62

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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.