Home / 43,378.96-65,050.08-13,788.85

Finding the Fourth Proportional to 43,378.96, 65,050.08 and 13,788.85

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Solution

The fourth proportional to 43,378.96, 65,050.08 and 13,788.85 is: 20,677.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,378.96 : 65,050.08 = 13,788.85 : x
  2. Step 2: Convert to fraction form
    43,378.96/65,050.08 = 13,788.85/x
  3. Step 3: Cross multiply
    43,378.96x = 65,050.08 × 13,788.85
  4. Step 4: Simplify right side
    43,378.96x = 896,965,795.61
  5. Step 5: Solve for x
    x = 896,965,795.61/43,378.96
  6. Step 6: Final answer
    x = 20,677.44

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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.