Home / 35,358.35-53,029.31-10,391.72

Finding the Fourth Proportional to 35,358.35, 53,029.31 and 10,391.72

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Solution

The fourth proportional to 35,358.35, 53,029.31 and 10,391.72 is: 15,585.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,358.35 : 53,029.31 = 10,391.72 : x
  2. Step 2: Convert to fraction form
    35,358.35/53,029.31 = 10,391.72/x
  3. Step 3: Cross multiply
    35,358.35x = 53,029.31 × 10,391.72
  4. Step 4: Simplify right side
    35,358.35x = 551,065,424.21
  5. Step 5: Solve for x
    x = 551,065,424.21/35,358.35
  6. Step 6: Final answer
    x = 15,585.16

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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.