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Finding the Fourth Proportional to 47,252, 70,878 and 19,550.72

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Solution

The fourth proportional to 47,252, 70,878 and 19,550.72 is: 29,326.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,252 : 70,878 = 19,550.72 : x
  2. Step 2: Convert to fraction form
    47,252/70,878 = 19,550.72/x
  3. Step 3: Cross multiply
    47,252x = 70,878 × 19,550.72
  4. Step 4: Simplify right side
    47,252x = 1,385,715,932.16
  5. Step 5: Solve for x
    x = 1,385,715,932.16/47,252
  6. Step 6: Final answer
    x = 29,326.08

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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.