Home / 42,414-63,621.24-19,034.68

Finding the Fourth Proportional to 42,414, 63,621.24 and 19,034.68

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Solution

The fourth proportional to 42,414, 63,621.24 and 19,034.68 is: 28,552.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,414 : 63,621.24 = 19,034.68 : x
  2. Step 2: Convert to fraction form
    42,414/63,621.24 = 19,034.68/x
  3. Step 3: Cross multiply
    42,414x = 63,621.24 × 19,034.68
  4. Step 4: Simplify right side
    42,414x = 1,211,009,944.60
  5. Step 5: Solve for x
    x = 1,211,009,944.60/42,414
  6. Step 6: Final answer
    x = 28,552.13

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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.