Home / 39,202.96-54,099.80-21,298.10

Finding the Fourth Proportional to 39,202.96, 54,099.80 and 21,298.10

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Solution

The fourth proportional to 39,202.96, 54,099.80 and 21,298.10 is: 29,391.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,202.96 : 54,099.80 = 21,298.10 : x
  2. Step 2: Convert to fraction form
    39,202.96/54,099.80 = 21,298.10/x
  3. Step 3: Cross multiply
    39,202.96x = 54,099.80 × 21,298.10
  4. Step 4: Simplify right side
    39,202.96x = 1,152,222,950.38
  5. Step 5: Solve for x
    x = 1,152,222,950.38/39,202.96
  6. Step 6: Final answer
    x = 29,391.22

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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.