Home / 57,845.47-86,848.50-29,785.57

Finding the Fourth Proportional to 57,845.47, 86,848.50 and 29,785.57

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Solution

The fourth proportional to 57,845.47, 86,848.50 and 29,785.57 is: 44,719.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,845.47 : 86,848.50 = 29,785.57 : x
  2. Step 2: Convert to fraction form
    57,845.47/86,848.50 = 29,785.57/x
  3. Step 3: Cross multiply
    57,845.47x = 86,848.50 × 29,785.57
  4. Step 4: Simplify right side
    57,845.47x = 2,586,832,459.24
  5. Step 5: Solve for x
    x = 2,586,832,459.24/57,845.47
  6. Step 6: Final answer
    x = 44,719.71

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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.