Home / 38,329.71-52,894.40-21,333.75

Finding the Fourth Proportional to 38,329.71, 52,894.40 and 21,333.75

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Solution

The fourth proportional to 38,329.71, 52,894.40 and 21,333.75 is: 29,440.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,329.71 : 52,894.40 = 21,333.75 : x
  2. Step 2: Convert to fraction form
    38,329.71/52,894.40 = 21,333.75/x
  3. Step 3: Cross multiply
    38,329.71x = 52,894.40 × 21,333.75
  4. Step 4: Simplify right side
    38,329.71x = 1,128,435,799.33
  5. Step 5: Solve for x
    x = 1,128,435,799.33/38,329.71
  6. Step 6: Final answer
    x = 29,440.24

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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.