Home / 38,104.67-52,580.36-21,108.49

Finding the Fourth Proportional to 38,104.67, 52,580.36 and 21,108.49

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Solution

The fourth proportional to 38,104.67, 52,580.36 and 21,108.49 is: 29,127.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,104.67 : 52,580.36 = 21,108.49 : x
  2. Step 2: Convert to fraction form
    38,104.67/52,580.36 = 21,108.49/x
  3. Step 3: Cross multiply
    38,104.67x = 52,580.36 × 21,108.49
  4. Step 4: Simplify right side
    38,104.67x = 1,109,891,924.58
  5. Step 5: Solve for x
    x = 1,109,891,924.58/38,104.67
  6. Step 6: Final answer
    x = 29,127.45

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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.