Home / 35,424.64-48,871.33-21,081.61

Finding the Fourth Proportional to 35,424.64, 48,871.33 and 21,081.61

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Solution

The fourth proportional to 35,424.64, 48,871.33 and 21,081.61 is: 29,083.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,424.64 : 48,871.33 = 21,081.61 : x
  2. Step 2: Convert to fraction form
    35,424.64/48,871.33 = 21,081.61/x
  3. Step 3: Cross multiply
    35,424.64x = 48,871.33 × 21,081.61
  4. Step 4: Simplify right side
    35,424.64x = 1,030,286,319.24
  5. Step 5: Solve for x
    x = 1,030,286,319.24/35,424.64
  6. Step 6: Final answer
    x = 29,083.89

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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.