Home / 29,019.86-40,032.66-18,954.20

Finding the Fourth Proportional to 29,019.86, 40,032.66 and 18,954.20

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Solution

The fourth proportional to 29,019.86, 40,032.66 and 18,954.20 is: 26,147.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,019.86 : 40,032.66 = 18,954.20 : x
  2. Step 2: Convert to fraction form
    29,019.86/40,032.66 = 18,954.20/x
  3. Step 3: Cross multiply
    29,019.86x = 40,032.66 × 18,954.20
  4. Step 4: Simplify right side
    29,019.86x = 758,787,044.17
  5. Step 5: Solve for x
    x = 758,787,044.17/29,019.86
  6. Step 6: Final answer
    x = 26,147.16

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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.