Home / 40,285.89-60,419.70-15,317.06

Finding the Fourth Proportional to 40,285.89, 60,419.70 and 15,317.06

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Solution

The fourth proportional to 40,285.89, 60,419.70 and 15,317.06 is: 22,972.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,285.89 : 60,419.70 = 15,317.06 : x
  2. Step 2: Convert to fraction form
    40,285.89/60,419.70 = 15,317.06/x
  3. Step 3: Cross multiply
    40,285.89x = 60,419.70 × 15,317.06
  4. Step 4: Simplify right side
    40,285.89x = 925,451,867.98
  5. Step 5: Solve for x
    x = 925,451,867.98/40,285.89
  6. Step 6: Final answer
    x = 22,972.11

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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.