Home / 39,391.75-59,097.36-11,689.75

Finding the Fourth Proportional to 39,391.75, 59,097.36 and 11,689.75

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Solution

The fourth proportional to 39,391.75, 59,097.36 and 11,689.75 is: 17,537.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,391.75 : 59,097.36 = 11,689.75 : x
  2. Step 2: Convert to fraction form
    39,391.75/59,097.36 = 11,689.75/x
  3. Step 3: Cross multiply
    39,391.75x = 59,097.36 × 11,689.75
  4. Step 4: Simplify right side
    39,391.75x = 690,833,364.06
  5. Step 5: Solve for x
    x = 690,833,364.06/39,391.75
  6. Step 6: Final answer
    x = 17,537.51

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1.5x scale

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.