Home / 45,355.60-68,017.20-15,774.40

Finding the Fourth Proportional to 45,355.60, 68,017.20 and 15,774.40

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Solution

The fourth proportional to 45,355.60, 68,017.20 and 15,774.40 is: 23,655.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,355.60 : 68,017.20 = 15,774.40 : x
  2. Step 2: Convert to fraction form
    45,355.60/68,017.20 = 15,774.40/x
  3. Step 3: Cross multiply
    45,355.60x = 68,017.20 × 15,774.40
  4. Step 4: Simplify right side
    45,355.60x = 1,072,930,519.68
  5. Step 5: Solve for x
    x = 1,072,930,519.68/45,355.60
  6. Step 6: Final answer
    x = 23,655.97

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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.