Home / 31,770.92-47,578.30-26,190.12

Finding the Fourth Proportional to 31,770.92, 47,578.30 and 26,190.12

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Solution

The fourth proportional to 31,770.92, 47,578.30 and 26,190.12 is: 39,220.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,770.92 : 47,578.30 = 26,190.12 : x
  2. Step 2: Convert to fraction form
    31,770.92/47,578.30 = 26,190.12/x
  3. Step 3: Cross multiply
    31,770.92x = 47,578.30 × 26,190.12
  4. Step 4: Simplify right side
    31,770.92x = 1,246,081,386.40
  5. Step 5: Solve for x
    x = 1,246,081,386.40/31,770.92
  6. Step 6: Final answer
    x = 39,220.82

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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.