Home / 43,798.35-65,646.27-20,108.18

Finding the Fourth Proportional to 43,798.35, 65,646.27 and 20,108.18

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Solution

The fourth proportional to 43,798.35, 65,646.27 and 20,108.18 is: 30,138.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,798.35 : 65,646.27 = 20,108.18 : x
  2. Step 2: Convert to fraction form
    43,798.35/65,646.27 = 20,108.18/x
  3. Step 3: Cross multiply
    43,798.35x = 65,646.27 × 20,108.18
  4. Step 4: Simplify right side
    43,798.35x = 1,320,027,013.49
  5. Step 5: Solve for x
    x = 1,320,027,013.49/43,798.35
  6. Step 6: Final answer
    x = 30,138.74

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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.