Home / 43,230.12-64,874.34-16,931.58

Finding the Fourth Proportional to 43,230.12, 64,874.34 and 16,931.58

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Solution

The fourth proportional to 43,230.12, 64,874.34 and 16,931.58 is: 25,408.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,230.12 : 64,874.34 = 16,931.58 : x
  2. Step 2: Convert to fraction form
    43,230.12/64,874.34 = 16,931.58/x
  3. Step 3: Cross multiply
    43,230.12x = 64,874.34 × 16,931.58
  4. Step 4: Simplify right side
    43,230.12x = 1,098,425,077.66
  5. Step 5: Solve for x
    x = 1,098,425,077.66/43,230.12
  6. Step 6: Final answer
    x = 25,408.79

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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.