Home / 43,351.20-65,045.43-18,408.06

Finding the Fourth Proportional to 43,351.20, 65,045.43 and 18,408.06

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Solution

The fourth proportional to 43,351.20, 65,045.43 and 18,408.06 is: 27,620.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,351.20 : 65,045.43 = 18,408.06 : x
  2. Step 2: Convert to fraction form
    43,351.20/65,045.43 = 18,408.06/x
  3. Step 3: Cross multiply
    43,351.20x = 65,045.43 × 18,408.06
  4. Step 4: Simplify right side
    43,351.20x = 1,197,360,178.17
  5. Step 5: Solve for x
    x = 1,197,360,178.17/43,351.20
  6. Step 6: Final answer
    x = 27,620.00

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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.