Home / 40,888.98-61,320.51-13,180.50

Finding the Fourth Proportional to 40,888.98, 61,320.51 and 13,180.50

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Solution

The fourth proportional to 40,888.98, 61,320.51 and 13,180.50 is: 19,766.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,888.98 : 61,320.51 = 13,180.50 : x
  2. Step 2: Convert to fraction form
    40,888.98/61,320.51 = 13,180.50/x
  3. Step 3: Cross multiply
    40,888.98x = 61,320.51 × 13,180.50
  4. Step 4: Simplify right side
    40,888.98x = 808,234,982.06
  5. Step 5: Solve for x
    x = 808,234,982.06/40,888.98
  6. Step 6: Final answer
    x = 19,766.57

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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.