Home / 40,182.96-55,441.50-25,078.02

Finding the Fourth Proportional to 40,182.96, 55,441.50 and 25,078.02

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Solution

The fourth proportional to 40,182.96, 55,441.50 and 25,078.02 is: 34,600.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,182.96 : 55,441.50 = 25,078.02 : x
  2. Step 2: Convert to fraction form
    40,182.96/55,441.50 = 25,078.02/x
  3. Step 3: Cross multiply
    40,182.96x = 55,441.50 × 25,078.02
  4. Step 4: Simplify right side
    40,182.96x = 1,390,363,045.83
  5. Step 5: Solve for x
    x = 1,390,363,045.83/40,182.96
  6. Step 6: Final answer
    x = 34,600.81

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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.