Home / 55,862.21-83,775.54-18,415.30

Finding the Fourth Proportional to 55,862.21, 83,775.54 and 18,415.30

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Solution

The fourth proportional to 55,862.21, 83,775.54 and 18,415.30 is: 27,617.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,862.21 : 83,775.54 = 18,415.30 : x
  2. Step 2: Convert to fraction form
    55,862.21/83,775.54 = 18,415.30/x
  3. Step 3: Cross multiply
    55,862.21x = 83,775.54 × 18,415.30
  4. Step 4: Simplify right side
    55,862.21x = 1,542,751,666.67
  5. Step 5: Solve for x
    x = 1,542,751,666.67/55,862.21
  6. Step 6: Final answer
    x = 27,617.09

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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.