Home / 38,734.23-53,448.85-21,734.97

Finding the Fourth Proportional to 38,734.23, 53,448.85 and 21,734.97

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Solution

The fourth proportional to 38,734.23, 53,448.85 and 21,734.97 is: 29,991.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,734.23 : 53,448.85 = 21,734.97 : x
  2. Step 2: Convert to fraction form
    38,734.23/53,448.85 = 21,734.97/x
  3. Step 3: Cross multiply
    38,734.23x = 53,448.85 × 21,734.97
  4. Step 4: Simplify right side
    38,734.23x = 1,161,709,151.28
  5. Step 5: Solve for x
    x = 1,161,709,151.28/38,734.23
  6. Step 6: Final answer
    x = 29,991.80

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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.