Home / 38,577.12-57,851.23-13,269.48

Finding the Fourth Proportional to 38,577.12, 57,851.23 and 13,269.48

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Solution

The fourth proportional to 38,577.12, 57,851.23 and 13,269.48 is: 19,899.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,577.12 : 57,851.23 = 13,269.48 : x
  2. Step 2: Convert to fraction form
    38,577.12/57,851.23 = 13,269.48/x
  3. Step 3: Cross multiply
    38,577.12x = 57,851.23 × 13,269.48
  4. Step 4: Simplify right side
    38,577.12x = 767,655,739.46
  5. Step 5: Solve for x
    x = 767,655,739.46/38,577.12
  6. Step 6: Final answer
    x = 19,899.25

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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.