Home / 39,670.75-54,745.68-22,903.75

Finding the Fourth Proportional to 39,670.75, 54,745.68 and 22,903.75

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Solution

The fourth proportional to 39,670.75, 54,745.68 and 22,903.75 is: 31,607.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,670.75 : 54,745.68 = 22,903.75 : x
  2. Step 2: Convert to fraction form
    39,670.75/54,745.68 = 22,903.75/x
  3. Step 3: Cross multiply
    39,670.75x = 54,745.68 × 22,903.75
  4. Step 4: Simplify right side
    39,670.75x = 1,253,881,368.30
  5. Step 5: Solve for x
    x = 1,253,881,368.30/39,670.75
  6. Step 6: Final answer
    x = 31,607.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.