Home / 40,278.66-55,581.99-22,373.72

Finding the Fourth Proportional to 40,278.66, 55,581.99 and 22,373.72

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Solution

The fourth proportional to 40,278.66, 55,581.99 and 22,373.72 is: 30,874.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,278.66 : 55,581.99 = 22,373.72 : x
  2. Step 2: Convert to fraction form
    40,278.66/55,581.99 = 22,373.72/x
  3. Step 3: Cross multiply
    40,278.66x = 55,581.99 × 22,373.72
  4. Step 4: Simplify right side
    40,278.66x = 1,243,575,603.39
  5. Step 5: Solve for x
    x = 1,243,575,603.39/40,278.66
  6. Step 6: Final answer
    x = 30,874.30

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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.