Home / 35,319.65-52,974.72-13,129.97

Finding the Fourth Proportional to 35,319.65, 52,974.72 and 13,129.97

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Solution

The fourth proportional to 35,319.65, 52,974.72 and 13,129.97 is: 19,693.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,319.65 : 52,974.72 = 13,129.97 : x
  2. Step 2: Convert to fraction form
    35,319.65/52,974.72 = 13,129.97/x
  3. Step 3: Cross multiply
    35,319.65x = 52,974.72 × 13,129.97
  4. Step 4: Simplify right side
    35,319.65x = 695,556,219.48
  5. Step 5: Solve for x
    x = 695,556,219.48/35,319.65
  6. Step 6: Final answer
    x = 19,693.18

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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.