Home / 38,199.89-52,715.76-21,204.33

Finding the Fourth Proportional to 38,199.89, 52,715.76 and 21,204.33

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Solution

The fourth proportional to 38,199.89, 52,715.76 and 21,204.33 is: 29,261.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,199.89 : 52,715.76 = 21,204.33 : x
  2. Step 2: Convert to fraction form
    38,199.89/52,715.76 = 21,204.33/x
  3. Step 3: Cross multiply
    38,199.89x = 52,715.76 × 21,204.33
  4. Step 4: Simplify right side
    38,199.89x = 1,117,802,371.24
  5. Step 5: Solve for x
    x = 1,117,802,371.24/38,199.89
  6. Step 6: Final answer
    x = 29,261.93

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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.