Home / 49,378.56-74,066.14-19,788.44

Finding the Fourth Proportional to 49,378.56, 74,066.14 and 19,788.44

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Solution

The fourth proportional to 49,378.56, 74,066.14 and 19,788.44 is: 29,681.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,378.56 : 74,066.14 = 19,788.44 : x
  2. Step 2: Convert to fraction form
    49,378.56/74,066.14 = 19,788.44/x
  3. Step 3: Cross multiply
    49,378.56x = 74,066.14 × 19,788.44
  4. Step 4: Simplify right side
    49,378.56x = 1,465,653,367.42
  5. Step 5: Solve for x
    x = 1,465,653,367.42/49,378.56
  6. Step 6: Final answer
    x = 29,681.98

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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.