Home / 57,272.21-85,887.72-19,822.12

Finding the Fourth Proportional to 57,272.21, 85,887.72 and 19,822.12

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Solution

The fourth proportional to 57,272.21, 85,887.72 and 19,822.12 is: 29,726.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,272.21 : 85,887.72 = 19,822.12 : x
  2. Step 2: Convert to fraction form
    57,272.21/85,887.72 = 19,822.12/x
  3. Step 3: Cross multiply
    57,272.21x = 85,887.72 × 19,822.12
  4. Step 4: Simplify right side
    57,272.21x = 1,702,476,692.37
  5. Step 5: Solve for x
    x = 1,702,476,692.37/57,272.21
  6. Step 6: Final answer
    x = 29,726.05

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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.