Home / 38,329.67-52,894.56-21,333.65

Finding the Fourth Proportional to 38,329.67, 52,894.56 and 21,333.65

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Solution

The fourth proportional to 38,329.67, 52,894.56 and 21,333.65 is: 29,440.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,329.67 : 52,894.56 = 21,333.65 : x
  2. Step 2: Convert to fraction form
    38,329.67/52,894.56 = 21,333.65/x
  3. Step 3: Cross multiply
    38,329.67x = 52,894.56 × 21,333.65
  4. Step 4: Simplify right side
    38,329.67x = 1,128,433,765.47
  5. Step 5: Solve for x
    x = 1,128,433,765.47/38,329.67
  6. Step 6: Final answer
    x = 29,440.22

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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.