Home / 42,943.52-64,419.70-14,863.54

Finding the Fourth Proportional to 42,943.52, 64,419.70 and 14,863.54

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Solution

The fourth proportional to 42,943.52, 64,419.70 and 14,863.54 is: 22,296.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,943.52 : 64,419.70 = 14,863.54 : x
  2. Step 2: Convert to fraction form
    42,943.52/64,419.70 = 14,863.54/x
  3. Step 3: Cross multiply
    42,943.52x = 64,419.70 × 14,863.54
  4. Step 4: Simplify right side
    42,943.52x = 957,504,787.74
  5. Step 5: Solve for x
    x = 957,504,787.74/42,943.52
  6. Step 6: Final answer
    x = 22,296.84

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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.