Home / 40,545.36-55,949.40-22,638.96

Finding the Fourth Proportional to 40,545.36, 55,949.40 and 22,638.96

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Solution

The fourth proportional to 40,545.36, 55,949.40 and 22,638.96 is: 31,239.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,545.36 : 55,949.40 = 22,638.96 : x
  2. Step 2: Convert to fraction form
    40,545.36/55,949.40 = 22,638.96/x
  3. Step 3: Cross multiply
    40,545.36x = 55,949.40 × 22,638.96
  4. Step 4: Simplify right side
    40,545.36x = 1,266,636,228.62
  5. Step 5: Solve for x
    x = 1,266,636,228.62/40,545.36
  6. Step 6: Final answer
    x = 31,239.98

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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.