Home / 35,451.31-53,176.80-10,491.51

Finding the Fourth Proportional to 35,451.31, 53,176.80 and 10,491.51

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Solution

The fourth proportional to 35,451.31, 53,176.80 and 10,491.51 is: 15,737.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,451.31 : 53,176.80 = 10,491.51 : x
  2. Step 2: Convert to fraction form
    35,451.31/53,176.80 = 10,491.51/x
  3. Step 3: Cross multiply
    35,451.31x = 53,176.80 × 10,491.51
  4. Step 4: Simplify right side
    35,451.31x = 557,904,928.97
  5. Step 5: Solve for x
    x = 557,904,928.97/35,451.31
  6. Step 6: Final answer
    x = 15,737.22

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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.