Home / 39,733.55-54,831.01-21,827.43

Finding the Fourth Proportional to 39,733.55, 54,831.01 and 21,827.43

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Solution

The fourth proportional to 39,733.55, 54,831.01 and 21,827.43 is: 30,121.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,733.55 : 54,831.01 = 21,827.43 : x
  2. Step 2: Convert to fraction form
    39,733.55/54,831.01 = 21,827.43/x
  3. Step 3: Cross multiply
    39,733.55x = 54,831.01 × 21,827.43
  4. Step 4: Simplify right side
    39,733.55x = 1,196,820,032.60
  5. Step 5: Solve for x
    x = 1,196,820,032.60/39,733.55
  6. Step 6: Final answer
    x = 30,121.15

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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.