Home / 36,032.09-49,722.21-20,117.55

Finding the Fourth Proportional to 36,032.09, 49,722.21 and 20,117.55

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Solution

The fourth proportional to 36,032.09, 49,722.21 and 20,117.55 is: 27,761.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,032.09 : 49,722.21 = 20,117.55 : x
  2. Step 2: Convert to fraction form
    36,032.09/49,722.21 = 20,117.55/x
  3. Step 3: Cross multiply
    36,032.09x = 49,722.21 × 20,117.55
  4. Step 4: Simplify right side
    36,032.09x = 1,000,289,045.79
  5. Step 5: Solve for x
    x = 1,000,289,045.79/36,032.09
  6. Step 6: Final answer
    x = 27,761.06

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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.