Home / 51,308.34-76,974.05-18,030.70

Finding the Fourth Proportional to 51,308.34, 76,974.05 and 18,030.70

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Solution

The fourth proportional to 51,308.34, 76,974.05 and 18,030.70 is: 27,050.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,308.34 : 76,974.05 = 18,030.70 : x
  2. Step 2: Convert to fraction form
    51,308.34/76,974.05 = 18,030.70/x
  3. Step 3: Cross multiply
    51,308.34x = 76,974.05 × 18,030.70
  4. Step 4: Simplify right side
    51,308.34x = 1,387,895,913.18
  5. Step 5: Solve for x
    x = 1,387,895,913.18/51,308.34
  6. Step 6: Final answer
    x = 27,050.11

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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.