Home / 53,709.93-74,116.17-29,836.62

Finding the Fourth Proportional to 53,709.93, 74,116.17 and 29,836.62

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Solution

The fourth proportional to 53,709.93, 74,116.17 and 29,836.62 is: 41,172.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,709.93 : 74,116.17 = 29,836.62 : x
  2. Step 2: Convert to fraction form
    53,709.93/74,116.17 = 29,836.62/x
  3. Step 3: Cross multiply
    53,709.93x = 74,116.17 × 29,836.62
  4. Step 4: Simplify right side
    53,709.93x = 2,211,376,000.15
  5. Step 5: Solve for x
    x = 2,211,376,000.15/53,709.93
  6. Step 6: Final answer
    x = 41,172.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.