Home / 32,780.73-49,210.11-31,443.96

Finding the Fourth Proportional to 32,780.73, 49,210.11 and 31,443.96

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Solution

The fourth proportional to 32,780.73, 49,210.11 and 31,443.96 is: 47,203.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,780.73 : 49,210.11 = 31,443.96 : x
  2. Step 2: Convert to fraction form
    32,780.73/49,210.11 = 31,443.96/x
  3. Step 3: Cross multiply
    32,780.73x = 49,210.11 × 31,443.96
  4. Step 4: Simplify right side
    32,780.73x = 1,547,360,730.44
  5. Step 5: Solve for x
    x = 1,547,360,730.44/32,780.73
  6. Step 6: Final answer
    x = 47,203.36

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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.