Home / 49,377.56-74,064.64-19,787.44

Finding the Fourth Proportional to 49,377.56, 74,064.64 and 19,787.44

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Solution

The fourth proportional to 49,377.56, 74,064.64 and 19,787.44 is: 29,680.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,377.56 : 74,064.64 = 19,787.44 : x
  2. Step 2: Convert to fraction form
    49,377.56/74,064.64 = 19,787.44/x
  3. Step 3: Cross multiply
    49,377.56x = 74,064.64 × 19,787.44
  4. Step 4: Simplify right side
    49,377.56x = 1,465,549,620.12
  5. Step 5: Solve for x
    x = 1,465,549,620.12/49,377.56
  6. Step 6: Final answer
    x = 29,680.48

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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.