Home / 34,876.74-48,114.23-20,721.32

Finding the Fourth Proportional to 34,876.74, 48,114.23 and 20,721.32

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Solution

The fourth proportional to 34,876.74, 48,114.23 and 20,721.32 is: 28,586.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,876.74 : 48,114.23 = 20,721.32 : x
  2. Step 2: Convert to fraction form
    34,876.74/48,114.23 = 20,721.32/x
  3. Step 3: Cross multiply
    34,876.74x = 48,114.23 × 20,721.32
  4. Step 4: Simplify right side
    34,876.74x = 996,990,012.21
  5. Step 5: Solve for x
    x = 996,990,012.21/34,876.74
  6. Step 6: Final answer
    x = 28,586.10

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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.