Home / 55,807.40-83,638.20-22,500.20

Finding the Fourth Proportional to 55,807.40, 83,638.20 and 22,500.20

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Solution

The fourth proportional to 55,807.40, 83,638.20 and 22,500.20 is: 33,720.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,807.40 : 83,638.20 = 22,500.20 : x
  2. Step 2: Convert to fraction form
    55,807.40/83,638.20 = 22,500.20/x
  3. Step 3: Cross multiply
    55,807.40x = 83,638.20 × 22,500.20
  4. Step 4: Simplify right side
    55,807.40x = 1,881,876,227.64
  5. Step 5: Solve for x
    x = 1,881,876,227.64/55,807.40
  6. Step 6: Final answer
    x = 33,720.91

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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.