Home / 32,780.23-49,209.36-31,443.46

Finding the Fourth Proportional to 32,780.23, 49,209.36 and 31,443.46

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Solution

The fourth proportional to 32,780.23, 49,209.36 and 31,443.46 is: 47,202.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,780.23 : 49,209.36 = 31,443.46 : x
  2. Step 2: Convert to fraction form
    32,780.23/49,209.36 = 31,443.46/x
  3. Step 3: Cross multiply
    32,780.23x = 49,209.36 × 31,443.46
  4. Step 4: Simplify right side
    32,780.23x = 1,547,312,542.79
  5. Step 5: Solve for x
    x = 1,547,312,542.79/32,780.23
  6. Step 6: Final answer
    x = 47,202.61

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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.