Home / 40,896.56-61,344.87-12,818.81

Finding the Fourth Proportional to 40,896.56, 61,344.87 and 12,818.81

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Solution

The fourth proportional to 40,896.56, 61,344.87 and 12,818.81 is: 19,228.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,896.56 : 61,344.87 = 12,818.81 : x
  2. Step 2: Convert to fraction form
    40,896.56/61,344.87 = 12,818.81/x
  3. Step 3: Cross multiply
    40,896.56x = 61,344.87 × 12,818.81
  4. Step 4: Simplify right side
    40,896.56x = 786,367,926.28
  5. Step 5: Solve for x
    x = 786,367,926.28/40,896.56
  6. Step 6: Final answer
    x = 19,228.22

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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.