Home / 35,412-48,868.29-21,081.66

Finding the Fourth Proportional to 35,412, 48,868.29 and 21,081.66

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Solution

The fourth proportional to 35,412, 48,868.29 and 21,081.66 is: 29,092.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,412 : 48,868.29 = 21,081.66 : x
  2. Step 2: Convert to fraction form
    35,412/48,868.29 = 21,081.66/x
  3. Step 3: Cross multiply
    35,412x = 48,868.29 × 21,081.66
  4. Step 4: Simplify right side
    35,412x = 1,030,224,674.56
  5. Step 5: Solve for x
    x = 1,030,224,674.56/35,412
  6. Step 6: Final answer
    x = 29,092.53

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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.