Home / 53,091.38-73,266.11-29,218.05

Finding the Fourth Proportional to 53,091.38, 73,266.11 and 29,218.05

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Solution

The fourth proportional to 53,091.38, 73,266.11 and 29,218.05 is: 40,320.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,091.38 : 73,266.11 = 29,218.05 : x
  2. Step 2: Convert to fraction form
    53,091.38/73,266.11 = 29,218.05/x
  3. Step 3: Cross multiply
    53,091.38x = 73,266.11 × 29,218.05
  4. Step 4: Simplify right side
    53,091.38x = 2,140,692,719.20
  5. Step 5: Solve for x
    x = 2,140,692,719.20/53,091.38
  6. Step 6: Final answer
    x = 40,320.91

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1.5x scale

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.