Home / 38,835.96-53,624.40-31,258.44

Finding the Fourth Proportional to 38,835.96, 53,624.40 and 31,258.44

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Solution

The fourth proportional to 38,835.96, 53,624.40 and 31,258.44 is: 43,161.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,835.96 : 53,624.40 = 31,258.44 : x
  2. Step 2: Convert to fraction form
    38,835.96/53,624.40 = 31,258.44/x
  3. Step 3: Cross multiply
    38,835.96x = 53,624.40 × 31,258.44
  4. Step 4: Simplify right side
    38,835.96x = 1,676,215,089.94
  5. Step 5: Solve for x
    x = 1,676,215,089.94/38,835.96
  6. Step 6: Final answer
    x = 43,161.42

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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.