Home / 40,419.93-55,775.23-23,429.50

Finding the Fourth Proportional to 40,419.93, 55,775.23 and 23,429.50

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Solution

The fourth proportional to 40,419.93, 55,775.23 and 23,429.50 is: 32,330.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,419.93 : 55,775.23 = 23,429.50 : x
  2. Step 2: Convert to fraction form
    40,419.93/55,775.23 = 23,429.50/x
  3. Step 3: Cross multiply
    40,419.93x = 55,775.23 × 23,429.50
  4. Step 4: Simplify right side
    40,419.93x = 1,306,785,751.29
  5. Step 5: Solve for x
    x = 1,306,785,751.29/40,419.93
  6. Step 6: Final answer
    x = 32,330.23

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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.