Home / 38,039.19-52,496.66-21,272.31

Finding the Fourth Proportional to 38,039.19, 52,496.66 and 21,272.31

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Solution

The fourth proportional to 38,039.19, 52,496.66 and 21,272.31 is: 29,357.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,039.19 : 52,496.66 = 21,272.31 : x
  2. Step 2: Convert to fraction form
    38,039.19/52,496.66 = 21,272.31/x
  3. Step 3: Cross multiply
    38,039.19x = 52,496.66 × 21,272.31
  4. Step 4: Simplify right side
    38,039.19x = 1,116,725,119.12
  5. Step 5: Solve for x
    x = 1,116,725,119.12/38,039.19
  6. Step 6: Final answer
    x = 29,357.23

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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.