Home / 69,036.18-103,657.95-39,487.38

Finding the Fourth Proportional to 69,036.18, 103,657.95 and 39,487.38

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Solution

The fourth proportional to 69,036.18, 103,657.95 and 39,487.38 is: 59,290.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,036.18 : 103,657.95 = 39,487.38 : x
  2. Step 2: Convert to fraction form
    69,036.18/103,657.95 = 39,487.38/x
  3. Step 3: Cross multiply
    69,036.18x = 103,657.95 × 39,487.38
  4. Step 4: Simplify right side
    69,036.18x = 4,093,180,861.67
  5. Step 5: Solve for x
    x = 4,093,180,861.67/69,036.18
  6. Step 6: Final answer
    x = 59,290.37

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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.