Home / 33,689.28-50,539.70-13,957.08

Finding the Fourth Proportional to 33,689.28, 50,539.70 and 13,957.08

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Solution

The fourth proportional to 33,689.28, 50,539.70 and 13,957.08 is: 20,938.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,689.28 : 50,539.70 = 13,957.08 : x
  2. Step 2: Convert to fraction form
    33,689.28/50,539.70 = 13,957.08/x
  3. Step 3: Cross multiply
    33,689.28x = 50,539.70 × 13,957.08
  4. Step 4: Simplify right side
    33,689.28x = 705,386,636.08
  5. Step 5: Solve for x
    x = 705,386,636.08/33,689.28
  6. Step 6: Final answer
    x = 20,938.01

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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.