Home / 57,188.32-85,665.78-29,428

Finding the Fourth Proportional to 57,188.32, 85,665.78 and 29,428

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Solution

The fourth proportional to 57,188.32, 85,665.78 and 29,428 is: 44,081.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,188.32 : 85,665.78 = 29,428 : x
  2. Step 2: Convert to fraction form
    57,188.32/85,665.78 = 29,428/x
  3. Step 3: Cross multiply
    57,188.32x = 85,665.78 × 29,428
  4. Step 4: Simplify right side
    57,188.32x = 2,520,972,573.84
  5. Step 5: Solve for x
    x = 2,520,972,573.84/57,188.32
  6. Step 6: Final answer
    x = 44,081.95

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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.