Home / 31,545.84-47,316.91-11,822.75

Finding the Fourth Proportional to 31,545.84, 47,316.91 and 11,822.75

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Solution

The fourth proportional to 31,545.84, 47,316.91 and 11,822.75 is: 17,733.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,545.84 : 47,316.91 = 11,822.75 : x
  2. Step 2: Convert to fraction form
    31,545.84/47,316.91 = 11,822.75/x
  3. Step 3: Cross multiply
    31,545.84x = 47,316.91 × 11,822.75
  4. Step 4: Simplify right side
    31,545.84x = 559,415,997.70
  5. Step 5: Solve for x
    x = 559,415,997.70/31,545.84
  6. Step 6: Final answer
    x = 17,733.43

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1.5x scale

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.