Home / 53,719.89-74,125.22-31,054.53

Finding the Fourth Proportional to 53,719.89, 74,125.22 and 31,054.53

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Solution

The fourth proportional to 53,719.89, 74,125.22 and 31,054.53 is: 42,850.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,719.89 : 74,125.22 = 31,054.53 : x
  2. Step 2: Convert to fraction form
    53,719.89/74,125.22 = 31,054.53/x
  3. Step 3: Cross multiply
    53,719.89x = 74,125.22 × 31,054.53
  4. Step 4: Simplify right side
    53,719.89x = 2,301,923,712.97
  5. Step 5: Solve for x
    x = 2,301,923,712.97/53,719.89
  6. Step 6: Final answer
    x = 42,850.49

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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.