Home / 45,232.60-67,848.90-18,934.60

Finding the Fourth Proportional to 45,232.60, 67,848.90 and 18,934.60

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Solution

The fourth proportional to 45,232.60, 67,848.90 and 18,934.60 is: 28,401.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,232.60 : 67,848.90 = 18,934.60 : x
  2. Step 2: Convert to fraction form
    45,232.60/67,848.90 = 18,934.60/x
  3. Step 3: Cross multiply
    45,232.60x = 67,848.90 × 18,934.60
  4. Step 4: Simplify right side
    45,232.60x = 1,284,691,781.94
  5. Step 5: Solve for x
    x = 1,284,691,781.94/45,232.60
  6. Step 6: Final answer
    x = 28,401.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.