Home / 40,278.42-55,581.84-22,372.35

Finding the Fourth Proportional to 40,278.42, 55,581.84 and 22,372.35

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Solution

The fourth proportional to 40,278.42, 55,581.84 and 22,372.35 is: 30,872.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,278.42 : 55,581.84 = 22,372.35 : x
  2. Step 2: Convert to fraction form
    40,278.42/55,581.84 = 22,372.35/x
  3. Step 3: Cross multiply
    40,278.42x = 55,581.84 × 22,372.35
  4. Step 4: Simplify right side
    40,278.42x = 1,243,496,378.12
  5. Step 5: Solve for x
    x = 1,243,496,378.12/40,278.42
  6. Step 6: Final answer
    x = 30,872.52

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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.