Home / 39,473.60-54,473.59-21,324.33

Finding the Fourth Proportional to 39,473.60, 54,473.59 and 21,324.33

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Solution

The fourth proportional to 39,473.60, 54,473.59 and 21,324.33 is: 29,427.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,473.60 : 54,473.59 = 21,324.33 : x
  2. Step 2: Convert to fraction form
    39,473.60/54,473.59 = 21,324.33/x
  3. Step 3: Cross multiply
    39,473.60x = 54,473.59 × 21,324.33
  4. Step 4: Simplify right side
    39,473.60x = 1,161,612,818.29
  5. Step 5: Solve for x
    x = 1,161,612,818.29/39,473.60
  6. Step 6: Final answer
    x = 29,427.59

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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.