Home / 43,404.19-65,111.49-15,318.45

Finding the Fourth Proportional to 43,404.19, 65,111.49 and 15,318.45

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Solution

The fourth proportional to 43,404.19, 65,111.49 and 15,318.45 is: 22,979.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,404.19 : 65,111.49 = 15,318.45 : x
  2. Step 2: Convert to fraction form
    43,404.19/65,111.49 = 15,318.45/x
  3. Step 3: Cross multiply
    43,404.19x = 65,111.49 × 15,318.45
  4. Step 4: Simplify right side
    43,404.19x = 997,407,103.99
  5. Step 5: Solve for x
    x = 997,407,103.99/43,404.19
  6. Step 6: Final answer
    x = 22,979.51

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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.