Home / 43,501.35-65,261.75-13,920.96

Finding the Fourth Proportional to 43,501.35, 65,261.75 and 13,920.96

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Solution

The fourth proportional to 43,501.35, 65,261.75 and 13,920.96 is: 20,884.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,501.35 : 65,261.75 = 13,920.96 : x
  2. Step 2: Convert to fraction form
    43,501.35/65,261.75 = 13,920.96/x
  3. Step 3: Cross multiply
    43,501.35x = 65,261.75 × 13,920.96
  4. Step 4: Simplify right side
    43,501.35x = 908,506,141.68
  5. Step 5: Solve for x
    x = 908,506,141.68/43,501.35
  6. Step 6: Final answer
    x = 20,884.55

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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.