Home / 49,339.06-68,071.18-28,103.28

Finding the Fourth Proportional to 49,339.06, 68,071.18 and 28,103.28

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Solution

The fourth proportional to 49,339.06, 68,071.18 and 28,103.28 is: 38,773.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,339.06 : 68,071.18 = 28,103.28 : x
  2. Step 2: Convert to fraction form
    49,339.06/68,071.18 = 28,103.28/x
  3. Step 3: Cross multiply
    49,339.06x = 68,071.18 × 28,103.28
  4. Step 4: Simplify right side
    49,339.06x = 1,913,023,431.47
  5. Step 5: Solve for x
    x = 1,913,023,431.47/49,339.06
  6. Step 6: Final answer
    x = 38,773.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.