Home / 39,273.56-54,196.70-21,368.64

Finding the Fourth Proportional to 39,273.56, 54,196.70 and 21,368.64

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Solution

The fourth proportional to 39,273.56, 54,196.70 and 21,368.64 is: 29,488.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,273.56 : 54,196.70 = 21,368.64 : x
  2. Step 2: Convert to fraction form
    39,273.56/54,196.70 = 21,368.64/x
  3. Step 3: Cross multiply
    39,273.56x = 54,196.70 × 21,368.64
  4. Step 4: Simplify right side
    39,273.56x = 1,158,109,771.49
  5. Step 5: Solve for x
    x = 1,158,109,771.49/39,273.56
  6. Step 6: Final answer
    x = 29,488.28

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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.