Home / 38,741.40-53,488.70-29,772.60

Finding the Fourth Proportional to 38,741.40, 53,488.70 and 29,772.60

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Solution

The fourth proportional to 38,741.40, 53,488.70 and 29,772.60 is: 41,105.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,741.40 : 53,488.70 = 29,772.60 : x
  2. Step 2: Convert to fraction form
    38,741.40/53,488.70 = 29,772.60/x
  3. Step 3: Cross multiply
    38,741.40x = 53,488.70 × 29,772.60
  4. Step 4: Simplify right side
    38,741.40x = 1,592,497,669.62
  5. Step 5: Solve for x
    x = 1,592,497,669.62/38,741.40
  6. Step 6: Final answer
    x = 41,105.84

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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.