Home / 43,799.35-65,647.77-20,109.18

Finding the Fourth Proportional to 43,799.35, 65,647.77 and 20,109.18

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Solution

The fourth proportional to 43,799.35, 65,647.77 and 20,109.18 is: 30,140.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,799.35 : 65,647.77 = 20,109.18 : x
  2. Step 2: Convert to fraction form
    43,799.35/65,647.77 = 20,109.18/x
  3. Step 3: Cross multiply
    43,799.35x = 65,647.77 × 20,109.18
  4. Step 4: Simplify right side
    43,799.35x = 1,320,122,823.53
  5. Step 5: Solve for x
    x = 1,320,122,823.53/43,799.35
  6. Step 6: Final answer
    x = 30,140.24

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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.