Home / 53,254.89-79,884.36-17,719.38

Finding the Fourth Proportional to 53,254.89, 79,884.36 and 17,719.38

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Solution

The fourth proportional to 53,254.89, 79,884.36 and 17,719.38 is: 26,579.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,254.89 : 79,884.36 = 17,719.38 : x
  2. Step 2: Convert to fraction form
    53,254.89/79,884.36 = 17,719.38/x
  3. Step 3: Cross multiply
    53,254.89x = 79,884.36 × 17,719.38
  4. Step 4: Simplify right side
    53,254.89x = 1,415,501,330.90
  5. Step 5: Solve for x
    x = 1,415,501,330.90/53,254.89
  6. Step 6: Final answer
    x = 26,579.74

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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.