Home / 42,724.26-64,093.68-19,040.40

Finding the Fourth Proportional to 42,724.26, 64,093.68 and 19,040.40

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Solution

The fourth proportional to 42,724.26, 64,093.68 and 19,040.40 is: 28,563.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,724.26 : 64,093.68 = 19,040.40 : x
  2. Step 2: Convert to fraction form
    42,724.26/64,093.68 = 19,040.40/x
  3. Step 3: Cross multiply
    42,724.26x = 64,093.68 × 19,040.40
  4. Step 4: Simplify right side
    42,724.26x = 1,220,369,304.67
  5. Step 5: Solve for x
    x = 1,220,369,304.67/42,724.26
  6. Step 6: Final answer
    x = 28,563.85

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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.