Home / 50,972.86-70,340.16-28,313.29

Finding the Fourth Proportional to 50,972.86, 70,340.16 and 28,313.29

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Solution

The fourth proportional to 50,972.86, 70,340.16 and 28,313.29 is: 39,071.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,972.86 : 70,340.16 = 28,313.29 : x
  2. Step 2: Convert to fraction form
    50,972.86/70,340.16 = 28,313.29/x
  3. Step 3: Cross multiply
    50,972.86x = 70,340.16 × 28,313.29
  4. Step 4: Simplify right side
    50,972.86x = 1,991,561,348.73
  5. Step 5: Solve for x
    x = 1,991,561,348.73/50,972.86
  6. Step 6: Final answer
    x = 39,071.01

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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.