Home / 50,985.68-70,385.82-31,876.07

Finding the Fourth Proportional to 50,985.68, 70,385.82 and 31,876.07

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Solution

The fourth proportional to 50,985.68, 70,385.82 and 31,876.07 is: 44,004.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,985.68 : 70,385.82 = 31,876.07 : x
  2. Step 2: Convert to fraction form
    50,985.68/70,385.82 = 31,876.07/x
  3. Step 3: Cross multiply
    50,985.68x = 70,385.82 × 31,876.07
  4. Step 4: Simplify right side
    50,985.68x = 2,243,623,325.33
  5. Step 5: Solve for x
    x = 2,243,623,325.33/50,985.68
  6. Step 6: Final answer
    x = 44,004.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.