Home / 53,636.60-80,428.92-31,457.24

Finding the Fourth Proportional to 53,636.60, 80,428.92 and 31,457.24

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Solution

The fourth proportional to 53,636.60, 80,428.92 and 31,457.24 is: 47,170.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,636.60 : 80,428.92 = 31,457.24 : x
  2. Step 2: Convert to fraction form
    53,636.60/80,428.92 = 31,457.24/x
  3. Step 3: Cross multiply
    53,636.60x = 80,428.92 × 31,457.24
  4. Step 4: Simplify right side
    53,636.60x = 2,530,071,839.38
  5. Step 5: Solve for x
    x = 2,530,071,839.38/53,636.60
  6. Step 6: Final answer
    x = 47,170.62

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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.