Home / 53,719.68-74,129.94-29,845.02

Finding the Fourth Proportional to 53,719.68, 74,129.94 and 29,845.02

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Solution

The fourth proportional to 53,719.68, 74,129.94 and 29,845.02 is: 41,184.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,719.68 : 74,129.94 = 29,845.02 : x
  2. Step 2: Convert to fraction form
    53,719.68/74,129.94 = 29,845.02/x
  3. Step 3: Cross multiply
    53,719.68x = 74,129.94 × 29,845.02
  4. Step 4: Simplify right side
    53,719.68x = 2,212,409,541.90
  5. Step 5: Solve for x
    x = 2,212,409,541.90/53,719.68
  6. Step 6: Final answer
    x = 41,184.34

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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.