Home / 40,278.96-55,588.50-22,377.60

Finding the Fourth Proportional to 40,278.96, 55,588.50 and 22,377.60

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Solution

The fourth proportional to 40,278.96, 55,588.50 and 22,377.60 is: 30,883.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,278.96 : 55,588.50 = 22,377.60 : x
  2. Step 2: Convert to fraction form
    40,278.96/55,588.50 = 22,377.60/x
  3. Step 3: Cross multiply
    40,278.96x = 55,588.50 × 22,377.60
  4. Step 4: Simplify right side
    40,278.96x = 1,243,937,217.60
  5. Step 5: Solve for x
    x = 1,243,937,217.60/40,278.96
  6. Step 6: Final answer
    x = 30,883.05

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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.