Home / 40,286.53-60,430.98-19,228.78

Finding the Fourth Proportional to 40,286.53, 60,430.98 and 19,228.78

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Solution

The fourth proportional to 40,286.53, 60,430.98 and 19,228.78 is: 28,843.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,286.53 : 60,430.98 = 19,228.78 : x
  2. Step 2: Convert to fraction form
    40,286.53/60,430.98 = 19,228.78/x
  3. Step 3: Cross multiply
    40,286.53x = 60,430.98 × 19,228.78
  4. Step 4: Simplify right side
    40,286.53x = 1,162,014,019.60
  5. Step 5: Solve for x
    x = 1,162,014,019.60/40,286.53
  6. Step 6: Final answer
    x = 28,843.74

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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.