Home / 40,896.49-61,344.66-12,818.70

Finding the Fourth Proportional to 40,896.49, 61,344.66 and 12,818.70

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Solution

The fourth proportional to 40,896.49, 61,344.66 and 12,818.70 is: 19,228.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,896.49 : 61,344.66 = 12,818.70 : x
  2. Step 2: Convert to fraction form
    40,896.49/61,344.66 = 12,818.70/x
  3. Step 3: Cross multiply
    40,896.49x = 61,344.66 × 12,818.70
  4. Step 4: Simplify right side
    40,896.49x = 786,358,793.14
  5. Step 5: Solve for x
    x = 786,358,793.14/40,896.49
  6. Step 6: Final answer
    x = 19,228.03

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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.