Home / 39,391.68-59,097.36-11,689.76

Finding the Fourth Proportional to 39,391.68, 59,097.36 and 11,689.76

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Solution

The fourth proportional to 39,391.68, 59,097.36 and 11,689.76 is: 17,537.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,391.68 : 59,097.36 = 11,689.76 : x
  2. Step 2: Convert to fraction form
    39,391.68/59,097.36 = 11,689.76/x
  3. Step 3: Cross multiply
    39,391.68x = 59,097.36 × 11,689.76
  4. Step 4: Simplify right side
    39,391.68x = 690,833,955.03
  5. Step 5: Solve for x
    x = 690,833,955.03/39,391.68
  6. Step 6: Final answer
    x = 17,537.56

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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.