Home / 57,186.20-85,787.58-17,746.50

Finding the Fourth Proportional to 57,186.20, 85,787.58 and 17,746.50

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Solution

The fourth proportional to 57,186.20, 85,787.58 and 17,746.50 is: 26,622.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,186.20 : 85,787.58 = 17,746.50 : x
  2. Step 2: Convert to fraction form
    57,186.20/85,787.58 = 17,746.50/x
  3. Step 3: Cross multiply
    57,186.20x = 85,787.58 × 17,746.50
  4. Step 4: Simplify right side
    57,186.20x = 1,522,429,288.47
  5. Step 5: Solve for x
    x = 1,522,429,288.47/57,186.20
  6. Step 6: Final answer
    x = 26,622.32

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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.