Home / 49,869.60-74,890.80-48,314.40

Finding the Fourth Proportional to 49,869.60, 74,890.80 and 48,314.40

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Solution

The fourth proportional to 49,869.60, 74,890.80 and 48,314.40 is: 72,555.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,869.60 : 74,890.80 = 48,314.40 : x
  2. Step 2: Convert to fraction form
    49,869.60/74,890.80 = 48,314.40/x
  3. Step 3: Cross multiply
    49,869.60x = 74,890.80 × 48,314.40
  4. Step 4: Simplify right side
    49,869.60x = 3,618,304,067.52
  5. Step 5: Solve for x
    x = 3,618,304,067.52/49,869.60
  6. Step 6: Final answer
    x = 72,555.31

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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.