Home / 51,818.19-77,719.04-18,532.05

Finding the Fourth Proportional to 51,818.19, 77,719.04 and 18,532.05

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Solution

The fourth proportional to 51,818.19, 77,719.04 and 18,532.05 is: 27,795.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,818.19 : 77,719.04 = 18,532.05 : x
  2. Step 2: Convert to fraction form
    51,818.19/77,719.04 = 18,532.05/x
  3. Step 3: Cross multiply
    51,818.19x = 77,719.04 × 18,532.05
  4. Step 4: Simplify right side
    51,818.19x = 1,440,293,042.57
  5. Step 5: Solve for x
    x = 1,440,293,042.57/51,818.19
  6. Step 6: Final answer
    x = 27,795.12

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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.