Home / 40,486.41-55,835.05-25,380.92

Finding the Fourth Proportional to 40,486.41, 55,835.05 and 25,380.92

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Solution

The fourth proportional to 40,486.41, 55,835.05 and 25,380.92 is: 35,002.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,486.41 : 55,835.05 = 25,380.92 : x
  2. Step 2: Convert to fraction form
    40,486.41/55,835.05 = 25,380.92/x
  3. Step 3: Cross multiply
    40,486.41x = 55,835.05 × 25,380.92
  4. Step 4: Simplify right side
    40,486.41x = 1,417,144,937.25
  5. Step 5: Solve for x
    x = 1,417,144,937.25/40,486.41
  6. Step 6: Final answer
    x = 35,002.98

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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.