Home / 35,120.49-52,708.41-15,412.65

Finding the Fourth Proportional to 35,120.49, 52,708.41 and 15,412.65

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Solution

The fourth proportional to 35,120.49, 52,708.41 and 15,412.65 is: 23,131.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,120.49 : 52,708.41 = 15,412.65 : x
  2. Step 2: Convert to fraction form
    35,120.49/52,708.41 = 15,412.65/x
  3. Step 3: Cross multiply
    35,120.49x = 52,708.41 × 15,412.65
  4. Step 4: Simplify right side
    35,120.49x = 812,376,275.39
  5. Step 5: Solve for x
    x = 812,376,275.39/35,120.49
  6. Step 6: Final answer
    x = 23,131.12

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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.