Home / 51,585.45-77,384.52-19,996.05

Finding the Fourth Proportional to 51,585.45, 77,384.52 and 19,996.05

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Solution

The fourth proportional to 51,585.45, 77,384.52 and 19,996.05 is: 29,996.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,585.45 : 77,384.52 = 19,996.05 : x
  2. Step 2: Convert to fraction form
    51,585.45/77,384.52 = 19,996.05/x
  3. Step 3: Cross multiply
    51,585.45x = 77,384.52 × 19,996.05
  4. Step 4: Simplify right side
    51,585.45x = 1,547,384,731.15
  5. Step 5: Solve for x
    x = 1,547,384,731.15/51,585.45
  6. Step 6: Final answer
    x = 29,996.53

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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.