Home / 40,545.21-55,951.86-22,640.52

Finding the Fourth Proportional to 40,545.21, 55,951.86 and 22,640.52

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Solution

The fourth proportional to 40,545.21, 55,951.86 and 22,640.52 is: 31,243.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,545.21 : 55,951.86 = 22,640.52 : x
  2. Step 2: Convert to fraction form
    40,545.21/55,951.86 = 22,640.52/x
  3. Step 3: Cross multiply
    40,545.21x = 55,951.86 × 22,640.52
  4. Step 4: Simplify right side
    40,545.21x = 1,266,779,205.37
  5. Step 5: Solve for x
    x = 1,266,779,205.37/40,545.21
  6. Step 6: Final answer
    x = 31,243.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.