Home / 35,448.06-53,173.11-13,257.20

Finding the Fourth Proportional to 35,448.06, 53,173.11 and 13,257.20

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Solution

The fourth proportional to 35,448.06, 53,173.11 and 13,257.20 is: 19,886.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,448.06 : 53,173.11 = 13,257.20 : x
  2. Step 2: Convert to fraction form
    35,448.06/53,173.11 = 13,257.20/x
  3. Step 3: Cross multiply
    35,448.06x = 53,173.11 × 13,257.20
  4. Step 4: Simplify right side
    35,448.06x = 704,926,661.97
  5. Step 5: Solve for x
    x = 704,926,661.97/35,448.06
  6. Step 6: Final answer
    x = 19,886.18

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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.