Home / 50,781.24-70,034.67-30,633.84

Finding the Fourth Proportional to 50,781.24, 70,034.67 and 30,633.84

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Solution

The fourth proportional to 50,781.24, 70,034.67 and 30,633.84 is: 42,248.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,781.24 : 70,034.67 = 30,633.84 : x
  2. Step 2: Convert to fraction form
    50,781.24/70,034.67 = 30,633.84/x
  3. Step 3: Cross multiply
    50,781.24x = 70,034.67 × 30,633.84
  4. Step 4: Simplify right side
    50,781.24x = 2,145,430,875.23
  5. Step 5: Solve for x
    x = 2,145,430,875.23/50,781.24
  6. Step 6: Final answer
    x = 42,248.49

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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.