Home / 38,018.92-52,465.17-21,022.72

Finding the Fourth Proportional to 38,018.92, 52,465.17 and 21,022.72

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Solution

The fourth proportional to 38,018.92, 52,465.17 and 21,022.72 is: 29,010.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,018.92 : 52,465.17 = 21,022.72 : x
  2. Step 2: Convert to fraction form
    38,018.92/52,465.17 = 21,022.72/x
  3. Step 3: Cross multiply
    38,018.92x = 52,465.17 × 21,022.72
  4. Step 4: Simplify right side
    38,018.92x = 1,102,960,578.66
  5. Step 5: Solve for x
    x = 1,102,960,578.66/38,018.92
  6. Step 6: Final answer
    x = 29,010.84

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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.