Home / 40,942.14-61,432.62-13,240.14

Finding the Fourth Proportional to 40,942.14, 61,432.62 and 13,240.14

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Solution

The fourth proportional to 40,942.14, 61,432.62 and 13,240.14 is: 19,866.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,942.14 : 61,432.62 = 13,240.14 : x
  2. Step 2: Convert to fraction form
    40,942.14/61,432.62 = 13,240.14/x
  3. Step 3: Cross multiply
    40,942.14x = 61,432.62 × 13,240.14
  4. Step 4: Simplify right side
    40,942.14x = 813,376,489.37
  5. Step 5: Solve for x
    x = 813,376,489.37/40,942.14
  6. Step 6: Final answer
    x = 19,866.49

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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.