Home / 40,478.13-55,858.61-22,576.19

Finding the Fourth Proportional to 40,478.13, 55,858.61 and 22,576.19

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Solution

The fourth proportional to 40,478.13, 55,858.61 and 22,576.19 is: 31,154.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,478.13 : 55,858.61 = 22,576.19 : x
  2. Step 2: Convert to fraction form
    40,478.13/55,858.61 = 22,576.19/x
  3. Step 3: Cross multiply
    40,478.13x = 55,858.61 × 22,576.19
  4. Step 4: Simplify right side
    40,478.13x = 1,261,074,369.64
  5. Step 5: Solve for x
    x = 1,261,074,369.64/40,478.13
  6. Step 6: Final answer
    x = 31,154.46

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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.