Home / 38,508.25-57,770.47-21,875.98

Finding the Fourth Proportional to 38,508.25, 57,770.47 and 21,875.98

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Solution

The fourth proportional to 38,508.25, 57,770.47 and 21,875.98 is: 32,818.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,508.25 : 57,770.47 = 21,875.98 : x
  2. Step 2: Convert to fraction form
    38,508.25/57,770.47 = 21,875.98/x
  3. Step 3: Cross multiply
    38,508.25x = 57,770.47 × 21,875.98
  4. Step 4: Simplify right side
    38,508.25x = 1,263,785,302.77
  5. Step 5: Solve for x
    x = 1,263,785,302.77/38,508.25
  6. Step 6: Final answer
    x = 32,818.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.