Home / 55,837.02-83,737.52-18,388.20

Finding the Fourth Proportional to 55,837.02, 83,737.52 and 18,388.20

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Solution

The fourth proportional to 55,837.02, 83,737.52 and 18,388.20 is: 27,576.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,837.02 : 83,737.52 = 18,388.20 : x
  2. Step 2: Convert to fraction form
    55,837.02/83,737.52 = 18,388.20/x
  3. Step 3: Cross multiply
    55,837.02x = 83,737.52 × 18,388.20
  4. Step 4: Simplify right side
    55,837.02x = 1,539,782,265.26
  5. Step 5: Solve for x
    x = 1,539,782,265.26/55,837.02
  6. Step 6: Final answer
    x = 27,576.37

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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.