Home / 38,411.75-53,001.41-28,348.85

Finding the Fourth Proportional to 38,411.75, 53,001.41 and 28,348.85

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Solution

The fourth proportional to 38,411.75, 53,001.41 and 28,348.85 is: 39,116.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,411.75 : 53,001.41 = 28,348.85 : x
  2. Step 2: Convert to fraction form
    38,411.75/53,001.41 = 28,348.85/x
  3. Step 3: Cross multiply
    38,411.75x = 53,001.41 × 28,348.85
  4. Step 4: Simplify right side
    38,411.75x = 1,502,529,012.64
  5. Step 5: Solve for x
    x = 1,502,529,012.64/38,411.75
  6. Step 6: Final answer
    x = 39,116.39

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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.