Home / 39,221.96-58,832.41-9,639.54

Finding the Fourth Proportional to 39,221.96, 58,832.41 and 9,639.54

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Solution

The fourth proportional to 39,221.96, 58,832.41 and 9,639.54 is: 14,459.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,221.96 : 58,832.41 = 9,639.54 : x
  2. Step 2: Convert to fraction form
    39,221.96/58,832.41 = 9,639.54/x
  3. Step 3: Cross multiply
    39,221.96x = 58,832.41 × 9,639.54
  4. Step 4: Simplify right side
    39,221.96x = 567,117,369.49
  5. Step 5: Solve for x
    x = 567,117,369.49/39,221.96
  6. Step 6: Final answer
    x = 14,459.18

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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.