Home / 43,648.11-65,472.21-12,483.36

Finding the Fourth Proportional to 43,648.11, 65,472.21 and 12,483.36

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Solution

The fourth proportional to 43,648.11, 65,472.21 and 12,483.36 is: 18,725.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,648.11 : 65,472.21 = 12,483.36 : x
  2. Step 2: Convert to fraction form
    43,648.11/65,472.21 = 12,483.36/x
  3. Step 3: Cross multiply
    43,648.11x = 65,472.21 × 12,483.36
  4. Step 4: Simplify right side
    43,648.11x = 817,313,167.43
  5. Step 5: Solve for x
    x = 817,313,167.43/43,648.11
  6. Step 6: Final answer
    x = 18,725.05

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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.