Home / 45,887.42-68,856.20-17,808.58

Finding the Fourth Proportional to 45,887.42, 68,856.20 and 17,808.58

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Solution

The fourth proportional to 45,887.42, 68,856.20 and 17,808.58 is: 26,722.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,887.42 : 68,856.20 = 17,808.58 : x
  2. Step 2: Convert to fraction form
    45,887.42/68,856.20 = 17,808.58/x
  3. Step 3: Cross multiply
    45,887.42x = 68,856.20 × 17,808.58
  4. Step 4: Simplify right side
    45,887.42x = 1,226,231,146.20
  5. Step 5: Solve for x
    x = 1,226,231,146.20/45,887.42
  6. Step 6: Final answer
    x = 26,722.60

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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.