Home / 38,747.96-53,451.85-31,994.18

Finding the Fourth Proportional to 38,747.96, 53,451.85 and 31,994.18

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Solution

The fourth proportional to 38,747.96, 53,451.85 and 31,994.18 is: 44,135.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,747.96 : 53,451.85 = 31,994.18 : x
  2. Step 2: Convert to fraction form
    38,747.96/53,451.85 = 31,994.18/x
  3. Step 3: Cross multiply
    38,747.96x = 53,451.85 × 31,994.18
  4. Step 4: Simplify right side
    38,747.96x = 1,710,148,110.23
  5. Step 5: Solve for x
    x = 1,710,148,110.23/38,747.96
  6. Step 6: Final answer
    x = 44,135.18

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Double scale
Find fourth proportional to 38,748.96, 53,453.23 and 31,995.18
Similar ratio
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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.