Home / 50,478.39-75,714.85-15,415.31

Finding the Fourth Proportional to 50,478.39, 75,714.85 and 15,415.31

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Solution

The fourth proportional to 50,478.39, 75,714.85 and 15,415.31 is: 23,122.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,478.39 : 75,714.85 = 15,415.31 : x
  2. Step 2: Convert to fraction form
    50,478.39/75,714.85 = 15,415.31/x
  3. Step 3: Cross multiply
    50,478.39x = 75,714.85 × 15,415.31
  4. Step 4: Simplify right side
    50,478.39x = 1,167,168,092.91
  5. Step 5: Solve for x
    x = 1,167,168,092.91/50,478.39
  6. Step 6: Final answer
    x = 23,122.13

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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.