Home / 53,099.12-79,648.67-21,935.18

Finding the Fourth Proportional to 53,099.12, 79,648.67 and 21,935.18

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Solution

The fourth proportional to 53,099.12, 79,648.67 and 21,935.18 is: 32,902.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,099.12 : 79,648.67 = 21,935.18 : x
  2. Step 2: Convert to fraction form
    53,099.12/79,648.67 = 21,935.18/x
  3. Step 3: Cross multiply
    53,099.12x = 79,648.67 × 21,935.18
  4. Step 4: Simplify right side
    53,099.12x = 1,747,107,405.29
  5. Step 5: Solve for x
    x = 1,747,107,405.29/53,099.12
  6. Step 6: Final answer
    x = 32,902.76

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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.