Home / 38,036.78-52,489.08-21,041.66

Finding the Fourth Proportional to 38,036.78, 52,489.08 and 21,041.66

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Solution

The fourth proportional to 38,036.78, 52,489.08 and 21,041.66 is: 29,036.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,036.78 : 52,489.08 = 21,041.66 : x
  2. Step 2: Convert to fraction form
    38,036.78/52,489.08 = 21,041.66/x
  3. Step 3: Cross multiply
    38,036.78x = 52,489.08 × 21,041.66
  4. Step 4: Simplify right side
    38,036.78x = 1,104,457,375.07
  5. Step 5: Solve for x
    x = 1,104,457,375.07/38,036.78
  6. Step 6: Final answer
    x = 29,036.56

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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.