Home / 42,696.22-64,052.53-14,620.61

Finding the Fourth Proportional to 42,696.22, 64,052.53 and 14,620.61

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Solution

The fourth proportional to 42,696.22, 64,052.53 and 14,620.61 is: 21,933.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,696.22 : 64,052.53 = 14,620.61 : x
  2. Step 2: Convert to fraction form
    42,696.22/64,052.53 = 14,620.61/x
  3. Step 3: Cross multiply
    42,696.22x = 64,052.53 × 14,620.61
  4. Step 4: Simplify right side
    42,696.22x = 936,486,740.38
  5. Step 5: Solve for x
    x = 936,486,740.38/42,696.22
  6. Step 6: Final answer
    x = 21,933.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.