Home / 55,192.77-82,772.64-19,647.72

Finding the Fourth Proportional to 55,192.77, 82,772.64 and 19,647.72

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Solution

The fourth proportional to 55,192.77, 82,772.64 and 19,647.72 is: 29,465.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,192.77 : 82,772.64 = 19,647.72 : x
  2. Step 2: Convert to fraction form
    55,192.77/82,772.64 = 19,647.72/x
  3. Step 3: Cross multiply
    55,192.77x = 82,772.64 × 19,647.72
  4. Step 4: Simplify right side
    55,192.77x = 1,626,293,654.38
  5. Step 5: Solve for x
    x = 1,626,293,654.38/55,192.77
  6. Step 6: Final answer
    x = 29,465.70

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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.