Home / 56,935.92-85,395.11-19,487.40

Finding the Fourth Proportional to 56,935.92, 85,395.11 and 19,487.40

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Solution

The fourth proportional to 56,935.92, 85,395.11 and 19,487.40 is: 29,228.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,935.92 : 85,395.11 = 19,487.40 : x
  2. Step 2: Convert to fraction form
    56,935.92/85,395.11 = 19,487.40/x
  3. Step 3: Cross multiply
    56,935.92x = 85,395.11 × 19,487.40
  4. Step 4: Simplify right side
    56,935.92x = 1,664,128,248.95
  5. Step 5: Solve for x
    x = 1,664,128,248.95/56,935.92
  6. Step 6: Final answer
    x = 29,228.09

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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.