Home / 48,308.22-72,454.59-13,239.72

Finding the Fourth Proportional to 48,308.22, 72,454.59 and 13,239.72

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Solution

The fourth proportional to 48,308.22, 72,454.59 and 13,239.72 is: 19,857.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,308.22 : 72,454.59 = 13,239.72 : x
  2. Step 2: Convert to fraction form
    48,308.22/72,454.59 = 13,239.72/x
  3. Step 3: Cross multiply
    48,308.22x = 72,454.59 × 13,239.72
  4. Step 4: Simplify right side
    48,308.22x = 959,278,484.31
  5. Step 5: Solve for x
    x = 959,278,484.31/48,308.22
  6. Step 6: Final answer
    x = 19,857.46

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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.