Home / 49,890.60-74,835.80-20,301.84

Finding the Fourth Proportional to 49,890.60, 74,835.80 and 20,301.84

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Solution

The fourth proportional to 49,890.60, 74,835.80 and 20,301.84 is: 30,452.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,890.60 : 74,835.80 = 20,301.84 : x
  2. Step 2: Convert to fraction form
    49,890.60/74,835.80 = 20,301.84/x
  3. Step 3: Cross multiply
    49,890.60x = 74,835.80 × 20,301.84
  4. Step 4: Simplify right side
    49,890.60x = 1,519,304,437.87
  5. Step 5: Solve for x
    x = 1,519,304,437.87/49,890.60
  6. Step 6: Final answer
    x = 30,452.72

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1.5x scale

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.