Home / 49,637.40-74,469.30-21,545.40

Finding the Fourth Proportional to 49,637.40, 74,469.30 and 21,545.40

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Solution

The fourth proportional to 49,637.40, 74,469.30 and 21,545.40 is: 32,323.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,637.40 : 74,469.30 = 21,545.40 : x
  2. Step 2: Convert to fraction form
    49,637.40/74,469.30 = 21,545.40/x
  3. Step 3: Cross multiply
    49,637.40x = 74,469.30 × 21,545.40
  4. Step 4: Simplify right side
    49,637.40x = 1,604,470,856.22
  5. Step 5: Solve for x
    x = 1,604,470,856.22/49,637.40
  6. Step 6: Final answer
    x = 32,323.83

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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.