Home / 34,456.44-47,543.94-20,312.04

Finding the Fourth Proportional to 34,456.44, 47,543.94 and 20,312.04

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Solution

The fourth proportional to 34,456.44, 47,543.94 and 20,312.04 is: 28,027.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,456.44 : 47,543.94 = 20,312.04 : x
  2. Step 2: Convert to fraction form
    34,456.44/47,543.94 = 20,312.04/x
  3. Step 3: Cross multiply
    34,456.44x = 47,543.94 × 20,312.04
  4. Step 4: Simplify right side
    34,456.44x = 965,714,411.04
  5. Step 5: Solve for x
    x = 965,714,411.04/34,456.44
  6. Step 6: Final answer
    x = 28,027.11

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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.