Home / 38,100.48-52,581.12-21,333.12

Finding the Fourth Proportional to 38,100.48, 52,581.12 and 21,333.12

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Solution

The fourth proportional to 38,100.48, 52,581.12 and 21,333.12 is: 29,441.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,100.48 : 52,581.12 = 21,333.12 : x
  2. Step 2: Convert to fraction form
    38,100.48/52,581.12 = 21,333.12/x
  3. Step 3: Cross multiply
    38,100.48x = 52,581.12 × 21,333.12
  4. Step 4: Simplify right side
    38,100.48x = 1,121,719,342.69
  5. Step 5: Solve for x
    x = 1,121,719,342.69/38,100.48
  6. Step 6: Final answer
    x = 29,441.08

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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.