Home / 45,489.70-68,234.55-15,904.45

Finding the Fourth Proportional to 45,489.70, 68,234.55 and 15,904.45

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Solution

The fourth proportional to 45,489.70, 68,234.55 and 15,904.45 is: 23,856.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,489.70 : 68,234.55 = 15,904.45 : x
  2. Step 2: Convert to fraction form
    45,489.70/68,234.55 = 15,904.45/x
  3. Step 3: Cross multiply
    45,489.70x = 68,234.55 × 15,904.45
  4. Step 4: Simplify right side
    45,489.70x = 1,085,232,988.75
  5. Step 5: Solve for x
    x = 1,085,232,988.75/45,489.70
  6. Step 6: Final answer
    x = 23,856.68

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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.