Home / 38,339.26-52,904.55-21,571.18

Finding the Fourth Proportional to 38,339.26, 52,904.55 and 21,571.18

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Solution

The fourth proportional to 38,339.26, 52,904.55 and 21,571.18 is: 29,766.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,339.26 : 52,904.55 = 21,571.18 : x
  2. Step 2: Convert to fraction form
    38,339.26/52,904.55 = 21,571.18/x
  3. Step 3: Cross multiply
    38,339.26x = 52,904.55 × 21,571.18
  4. Step 4: Simplify right side
    38,339.26x = 1,141,213,570.87
  5. Step 5: Solve for x
    x = 1,141,213,570.87/38,339.26
  6. Step 6: Final answer
    x = 29,766.19

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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.