Home / 30,086.51-41,515.17-17,338.65

Finding the Fourth Proportional to 30,086.51, 41,515.17 and 17,338.65

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Solution

The fourth proportional to 30,086.51, 41,515.17 and 17,338.65 is: 23,924.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,086.51 : 41,515.17 = 17,338.65 : x
  2. Step 2: Convert to fraction form
    30,086.51/41,515.17 = 17,338.65/x
  3. Step 3: Cross multiply
    30,086.51x = 41,515.17 × 17,338.65
  4. Step 4: Simplify right side
    30,086.51x = 719,817,158.00
  5. Step 5: Solve for x
    x = 719,817,158.00/30,086.51
  6. Step 6: Final answer
    x = 23,924.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.