Home / 40,862.50-61,293.75-13,160.50

Finding the Fourth Proportional to 40,862.50, 61,293.75 and 13,160.50

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Solution

The fourth proportional to 40,862.50, 61,293.75 and 13,160.50 is: 19,740.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,862.50 : 61,293.75 = 13,160.50 : x
  2. Step 2: Convert to fraction form
    40,862.50/61,293.75 = 13,160.50/x
  3. Step 3: Cross multiply
    40,862.50x = 61,293.75 × 13,160.50
  4. Step 4: Simplify right side
    40,862.50x = 806,656,396.88
  5. Step 5: Solve for x
    x = 806,656,396.88/40,862.50
  6. Step 6: Final answer
    x = 19,740.75

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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.