Home / 34,830.17-48,062.97-20,490.57

Finding the Fourth Proportional to 34,830.17, 48,062.97 and 20,490.57

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Solution

The fourth proportional to 34,830.17, 48,062.97 and 20,490.57 is: 28,275.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,830.17 : 48,062.97 = 20,490.57 : x
  2. Step 2: Convert to fraction form
    34,830.17/48,062.97 = 20,490.57/x
  3. Step 3: Cross multiply
    34,830.17x = 48,062.97 × 20,490.57
  4. Step 4: Simplify right side
    34,830.17x = 984,837,651.19
  5. Step 5: Solve for x
    x = 984,837,651.19/34,830.17
  6. Step 6: Final answer
    x = 28,275.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.