Home / 38,330.49-52,896.51-21,104.79

Finding the Fourth Proportional to 38,330.49, 52,896.51 and 21,104.79

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Solution

The fourth proportional to 38,330.49, 52,896.51 and 21,104.79 is: 29,124.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,330.49 : 52,896.51 = 21,104.79 : x
  2. Step 2: Convert to fraction form
    38,330.49/52,896.51 = 21,104.79/x
  3. Step 3: Cross multiply
    38,330.49x = 52,896.51 × 21,104.79
  4. Step 4: Simplify right side
    38,330.49x = 1,116,369,735.28
  5. Step 5: Solve for x
    x = 1,116,369,735.28/38,330.49
  6. Step 6: Final answer
    x = 29,124.85

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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.