Home / 57,137.87-85,717.25-17,692.31

Finding the Fourth Proportional to 57,137.87, 85,717.25 and 17,692.31

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Solution

The fourth proportional to 57,137.87, 85,717.25 and 17,692.31 is: 26,541.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,137.87 : 85,717.25 = 17,692.31 : x
  2. Step 2: Convert to fraction form
    57,137.87/85,717.25 = 17,692.31/x
  3. Step 3: Cross multiply
    57,137.87x = 85,717.25 × 17,692.31
  4. Step 4: Simplify right side
    57,137.87x = 1,516,536,159.35
  5. Step 5: Solve for x
    x = 1,516,536,159.35/57,137.87
  6. Step 6: Final answer
    x = 26,541.70

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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.