Home / 43,340.96-65,019.48-13,750.80

Finding the Fourth Proportional to 43,340.96, 65,019.48 and 13,750.80

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Solution

The fourth proportional to 43,340.96, 65,019.48 and 13,750.80 is: 20,628.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,340.96 : 65,019.48 = 13,750.80 : x
  2. Step 2: Convert to fraction form
    43,340.96/65,019.48 = 13,750.80/x
  3. Step 3: Cross multiply
    43,340.96x = 65,019.48 × 13,750.80
  4. Step 4: Simplify right side
    43,340.96x = 894,069,865.58
  5. Step 5: Solve for x
    x = 894,069,865.58/43,340.96
  6. Step 6: Final answer
    x = 20,628.75

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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.