Home / 47,365.91-71,022.74-19,278.75

Finding the Fourth Proportional to 47,365.91, 71,022.74 and 19,278.75

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Solution

The fourth proportional to 47,365.91, 71,022.74 and 19,278.75 is: 28,907.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,365.91 : 71,022.74 = 19,278.75 : x
  2. Step 2: Convert to fraction form
    47,365.91/71,022.74 = 19,278.75/x
  3. Step 3: Cross multiply
    47,365.91x = 71,022.74 × 19,278.75
  4. Step 4: Simplify right side
    47,365.91x = 1,369,229,552.38
  5. Step 5: Solve for x
    x = 1,369,229,552.38/47,365.91
  6. Step 6: Final answer
    x = 28,907.49

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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.