Home / 43,808.97-65,712.50-12,218.19

Finding the Fourth Proportional to 43,808.97, 65,712.50 and 12,218.19

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Solution

The fourth proportional to 43,808.97, 65,712.50 and 12,218.19 is: 18,327.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,808.97 : 65,712.50 = 12,218.19 : x
  2. Step 2: Convert to fraction form
    43,808.97/65,712.50 = 12,218.19/x
  3. Step 3: Cross multiply
    43,808.97x = 65,712.50 × 12,218.19
  4. Step 4: Simplify right side
    43,808.97x = 802,887,749.28
  5. Step 5: Solve for x
    x = 802,887,749.28/43,808.97
  6. Step 6: Final answer
    x = 18,327.02

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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.