Home / 43,771.32-65,667.38-14,189.18

Finding the Fourth Proportional to 43,771.32, 65,667.38 and 14,189.18

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Solution

The fourth proportional to 43,771.32, 65,667.38 and 14,189.18 is: 21,287.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,771.32 : 65,667.38 = 14,189.18 : x
  2. Step 2: Convert to fraction form
    43,771.32/65,667.38 = 14,189.18/x
  3. Step 3: Cross multiply
    43,771.32x = 65,667.38 × 14,189.18
  4. Step 4: Simplify right side
    43,771.32x = 931,765,875.67
  5. Step 5: Solve for x
    x = 931,765,875.67/43,771.32
  6. Step 6: Final answer
    x = 21,287.13

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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.