Home / 51,020.19-76,530.51-17,740.53

Finding the Fourth Proportional to 51,020.19, 76,530.51 and 17,740.53

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Solution

The fourth proportional to 51,020.19, 76,530.51 and 17,740.53 is: 26,610.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,020.19 : 76,530.51 = 17,740.53 : x
  2. Step 2: Convert to fraction form
    51,020.19/76,530.51 = 17,740.53/x
  3. Step 3: Cross multiply
    51,020.19x = 76,530.51 × 17,740.53
  4. Step 4: Simplify right side
    51,020.19x = 1,357,691,808.57
  5. Step 5: Solve for x
    x = 1,357,691,808.57/51,020.19
  6. Step 6: Final answer
    x = 26,610.87

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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.