Home / 38,774.04-53,505.19-21,772.85

Finding the Fourth Proportional to 38,774.04, 53,505.19 and 21,772.85

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Solution

The fourth proportional to 38,774.04, 53,505.19 and 21,772.85 is: 30,044.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,774.04 : 53,505.19 = 21,772.85 : x
  2. Step 2: Convert to fraction form
    38,774.04/53,505.19 = 21,772.85/x
  3. Step 3: Cross multiply
    38,774.04x = 53,505.19 × 21,772.85
  4. Step 4: Simplify right side
    38,774.04x = 1,164,960,235.78
  5. Step 5: Solve for x
    x = 1,164,960,235.78/38,774.04
  6. Step 6: Final answer
    x = 30,044.85

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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.