Home / 38,877.82-53,677.21-29,909.50

Finding the Fourth Proportional to 38,877.82, 53,677.21 and 29,909.50

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Solution

The fourth proportional to 38,877.82, 53,677.21 and 29,909.50 is: 41,294.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,877.82 : 53,677.21 = 29,909.50 : x
  2. Step 2: Convert to fraction form
    38,877.82/53,677.21 = 29,909.50/x
  3. Step 3: Cross multiply
    38,877.82x = 53,677.21 × 29,909.50
  4. Step 4: Simplify right side
    38,877.82x = 1,605,458,244.11
  5. Step 5: Solve for x
    x = 1,605,458,244.11/38,877.82
  6. Step 6: Final answer
    x = 41,294.97

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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.