Home / 38,916.90-53,705.52-22,149.90

Finding the Fourth Proportional to 38,916.90, 53,705.52 and 22,149.90

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Solution

The fourth proportional to 38,916.90, 53,705.52 and 22,149.90 is: 30,566.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,916.90 : 53,705.52 = 22,149.90 : x
  2. Step 2: Convert to fraction form
    38,916.90/53,705.52 = 22,149.90/x
  3. Step 3: Cross multiply
    38,916.90x = 53,705.52 × 22,149.90
  4. Step 4: Simplify right side
    38,916.90x = 1,189,571,897.45
  5. Step 5: Solve for x
    x = 1,189,571,897.45/38,916.90
  6. Step 6: Final answer
    x = 30,566.97

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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.