Home / 47,377.80-71,066.57-19,291.25

Finding the Fourth Proportional to 47,377.80, 71,066.57 and 19,291.25

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Solution

The fourth proportional to 47,377.80, 71,066.57 and 19,291.25 is: 28,936.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,377.80 : 71,066.57 = 19,291.25 : x
  2. Step 2: Convert to fraction form
    47,377.80/71,066.57 = 19,291.25/x
  3. Step 3: Cross multiply
    47,377.80x = 71,066.57 × 19,291.25
  4. Step 4: Simplify right side
    47,377.80x = 1,370,962,724.93
  5. Step 5: Solve for x
    x = 1,370,962,724.93/47,377.80
  6. Step 6: Final answer
    x = 28,936.82

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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.