Home / 43,749.30-65,634.39-14,167.20

Finding the Fourth Proportional to 43,749.30, 65,634.39 and 14,167.20

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Solution

The fourth proportional to 43,749.30, 65,634.39 and 14,167.20 is: 21,254.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,749.30 : 65,634.39 = 14,167.20 : x
  2. Step 2: Convert to fraction form
    43,749.30/65,634.39 = 14,167.20/x
  3. Step 3: Cross multiply
    43,749.30x = 65,634.39 × 14,167.20
  4. Step 4: Simplify right side
    43,749.30x = 929,855,530.01
  5. Step 5: Solve for x
    x = 929,855,530.01/43,749.30
  6. Step 6: Final answer
    x = 21,254.18

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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.