Home / 40,299.15-55,609.29-22,393.02

Finding the Fourth Proportional to 40,299.15, 55,609.29 and 22,393.02

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Solution

The fourth proportional to 40,299.15, 55,609.29 and 22,393.02 is: 30,900.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,299.15 : 55,609.29 = 22,393.02 : x
  2. Step 2: Convert to fraction form
    40,299.15/55,609.29 = 22,393.02/x
  3. Step 3: Cross multiply
    40,299.15x = 55,609.29 × 22,393.02
  4. Step 4: Simplify right side
    40,299.15x = 1,245,259,943.16
  5. Step 5: Solve for x
    x = 1,245,259,943.16/40,299.15
  6. Step 6: Final answer
    x = 30,900.40

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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.