Home / 53,139.15-73,331.13-29,268.05

Finding the Fourth Proportional to 53,139.15, 73,331.13 and 29,268.05

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Solution

The fourth proportional to 53,139.15, 73,331.13 and 29,268.05 is: 40,389.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,139.15 : 73,331.13 = 29,268.05 : x
  2. Step 2: Convert to fraction form
    53,139.15/73,331.13 = 29,268.05/x
  3. Step 3: Cross multiply
    53,139.15x = 73,331.13 × 29,268.05
  4. Step 4: Simplify right side
    53,139.15x = 2,146,259,179.40
  5. Step 5: Solve for x
    x = 2,146,259,179.40/53,139.15
  6. Step 6: Final answer
    x = 40,389.41

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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.