Home / 40,098.06-55,353.42-25,778.70

Finding the Fourth Proportional to 40,098.06, 55,353.42 and 25,778.70

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Solution

The fourth proportional to 40,098.06, 55,353.42 and 25,778.70 is: 35,586.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,098.06 : 55,353.42 = 25,778.70 : x
  2. Step 2: Convert to fraction form
    40,098.06/55,353.42 = 25,778.70/x
  3. Step 3: Cross multiply
    40,098.06x = 55,353.42 × 25,778.70
  4. Step 4: Simplify right side
    40,098.06x = 1,426,939,208.15
  5. Step 5: Solve for x
    x = 1,426,939,208.15/40,098.06
  6. Step 6: Final answer
    x = 35,586.24

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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.