Home / 50,730.70-76,112.28-21,151.66

Finding the Fourth Proportional to 50,730.70, 76,112.28 and 21,151.66

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Solution

The fourth proportional to 50,730.70, 76,112.28 and 21,151.66 is: 31,734.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,730.70 : 76,112.28 = 21,151.66 : x
  2. Step 2: Convert to fraction form
    50,730.70/76,112.28 = 21,151.66/x
  3. Step 3: Cross multiply
    50,730.70x = 76,112.28 × 21,151.66
  4. Step 4: Simplify right side
    50,730.70x = 1,609,901,068.38
  5. Step 5: Solve for x
    x = 1,609,901,068.38/50,730.70
  6. Step 6: Final answer
    x = 31,734.26

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1.5x scale

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.