Home / 72,032.45-108,066.92-22,115.07

Finding the Fourth Proportional to 72,032.45, 108,066.92 and 22,115.07

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Solution

The fourth proportional to 72,032.45, 108,066.92 and 22,115.07 is: 33,178.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,032.45 : 108,066.92 = 22,115.07 : x
  2. Step 2: Convert to fraction form
    72,032.45/108,066.92 = 22,115.07/x
  3. Step 3: Cross multiply
    72,032.45x = 108,066.92 × 22,115.07
  4. Step 4: Simplify right side
    72,032.45x = 2,389,907,389.91
  5. Step 5: Solve for x
    x = 2,389,907,389.91/72,032.45
  6. Step 6: Final answer
    x = 33,178.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.