Home / 52,979.09-73,111.17-29,107.30

Finding the Fourth Proportional to 52,979.09, 73,111.17 and 29,107.30

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Solution

The fourth proportional to 52,979.09, 73,111.17 and 29,107.30 is: 40,168.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,979.09 : 73,111.17 = 29,107.30 : x
  2. Step 2: Convert to fraction form
    52,979.09/73,111.17 = 29,107.30/x
  3. Step 3: Cross multiply
    52,979.09x = 73,111.17 × 29,107.30
  4. Step 4: Simplify right side
    52,979.09x = 2,128,068,575.76
  5. Step 5: Solve for x
    x = 2,128,068,575.76/52,979.09
  6. Step 6: Final answer
    x = 40,168.09

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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.