Home / 49,368.40-68,130.20-28,147.44

Finding the Fourth Proportional to 49,368.40, 68,130.20 and 28,147.44

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Solution

The fourth proportional to 49,368.40, 68,130.20 and 28,147.44 is: 38,844.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,368.40 : 68,130.20 = 28,147.44 : x
  2. Step 2: Convert to fraction form
    49,368.40/68,130.20 = 28,147.44/x
  3. Step 3: Cross multiply
    49,368.40x = 68,130.20 × 28,147.44
  4. Step 4: Simplify right side
    49,368.40x = 1,917,690,716.69
  5. Step 5: Solve for x
    x = 1,917,690,716.69/49,368.40
  6. Step 6: Final answer
    x = 38,844.50

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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.