Home / 39,273.25-54,195.46-21,368.32

Finding the Fourth Proportional to 39,273.25, 54,195.46 and 21,368.32

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Solution

The fourth proportional to 39,273.25, 54,195.46 and 21,368.32 is: 29,487.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,273.25 : 54,195.46 = 21,368.32 : x
  2. Step 2: Convert to fraction form
    39,273.25/54,195.46 = 21,368.32/x
  3. Step 3: Cross multiply
    39,273.25x = 54,195.46 × 21,368.32
  4. Step 4: Simplify right side
    39,273.25x = 1,158,065,824.99
  5. Step 5: Solve for x
    x = 1,158,065,824.99/39,273.25
  6. Step 6: Final answer
    x = 29,487.40

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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.