Home / 49,360.06-68,116.20-28,139.68

Finding the Fourth Proportional to 49,360.06, 68,116.20 and 28,139.68

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Solution

The fourth proportional to 49,360.06, 68,116.20 and 28,139.68 is: 38,832.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,360.06 : 68,116.20 = 28,139.68 : x
  2. Step 2: Convert to fraction form
    49,360.06/68,116.20 = 28,139.68/x
  3. Step 3: Cross multiply
    49,360.06x = 68,116.20 × 28,139.68
  4. Step 4: Simplify right side
    49,360.06x = 1,916,768,070.82
  5. Step 5: Solve for x
    x = 1,916,768,070.82/49,360.06
  6. Step 6: Final answer
    x = 38,832.37

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1.5x scale

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.