Home / 53,146.05-73,341.62-29,272.78

Finding the Fourth Proportional to 53,146.05, 73,341.62 and 29,272.78

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Solution

The fourth proportional to 53,146.05, 73,341.62 and 29,272.78 is: 40,396.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,146.05 : 73,341.62 = 29,272.78 : x
  2. Step 2: Convert to fraction form
    53,146.05/73,341.62 = 29,272.78/x
  3. Step 3: Cross multiply
    53,146.05x = 73,341.62 × 29,272.78
  4. Step 4: Simplify right side
    53,146.05x = 2,146,913,107.10
  5. Step 5: Solve for x
    x = 2,146,913,107.10/53,146.05
  6. Step 6: Final answer
    x = 40,396.48

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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.