Home / 53,731.60-74,146.73-29,856.85

Finding the Fourth Proportional to 53,731.60, 74,146.73 and 29,856.85

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Solution

The fourth proportional to 53,731.60, 74,146.73 and 29,856.85 is: 41,200.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,731.60 : 74,146.73 = 29,856.85 : x
  2. Step 2: Convert to fraction form
    53,731.60/74,146.73 = 29,856.85/x
  3. Step 3: Cross multiply
    53,731.60x = 74,146.73 × 29,856.85
  4. Step 4: Simplify right side
    53,731.60x = 2,213,787,460.95
  5. Step 5: Solve for x
    x = 2,213,787,460.95/53,731.60
  6. Step 6: Final answer
    x = 41,200.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.