Home / 33,689.52-50,541.66-10,317.78

Finding the Fourth Proportional to 33,689.52, 50,541.66 and 10,317.78

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Solution

The fourth proportional to 33,689.52, 50,541.66 and 10,317.78 is: 15,478.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,689.52 : 50,541.66 = 10,317.78 : x
  2. Step 2: Convert to fraction form
    33,689.52/50,541.66 = 10,317.78/x
  3. Step 3: Cross multiply
    33,689.52x = 50,541.66 × 10,317.78
  4. Step 4: Simplify right side
    33,689.52x = 521,477,728.71
  5. Step 5: Solve for x
    x = 521,477,728.71/33,689.52
  6. Step 6: Final answer
    x = 15,478.93

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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.