Home / 53,742.05-74,162.19-29,868.21

Finding the Fourth Proportional to 53,742.05, 74,162.19 and 29,868.21

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Solution

The fourth proportional to 53,742.05, 74,162.19 and 29,868.21 is: 41,217.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,742.05 : 74,162.19 = 29,868.21 : x
  2. Step 2: Convert to fraction form
    53,742.05/74,162.19 = 29,868.21/x
  3. Step 3: Cross multiply
    53,742.05x = 74,162.19 × 29,868.21
  4. Step 4: Simplify right side
    53,742.05x = 2,215,091,976.99
  5. Step 5: Solve for x
    x = 2,215,091,976.99/53,742.05
  6. Step 6: Final answer
    x = 41,217.11

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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.