Home / 39,538.07-59,310.15-11,458.51

Finding the Fourth Proportional to 39,538.07, 59,310.15 and 11,458.51

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Solution

The fourth proportional to 39,538.07, 59,310.15 and 11,458.51 is: 17,188.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,538.07 : 59,310.15 = 11,458.51 : x
  2. Step 2: Convert to fraction form
    39,538.07/59,310.15 = 11,458.51/x
  3. Step 3: Cross multiply
    39,538.07x = 59,310.15 × 11,458.51
  4. Step 4: Simplify right side
    39,538.07x = 679,606,121.48
  5. Step 5: Solve for x
    x = 679,606,121.48/39,538.07
  6. Step 6: Final answer
    x = 17,188.65

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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.