Home / 39,830.15-54,959.18-22,831.27

Finding the Fourth Proportional to 39,830.15, 54,959.18 and 22,831.27

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Solution

The fourth proportional to 39,830.15, 54,959.18 and 22,831.27 is: 31,503.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,830.15 : 54,959.18 = 22,831.27 : x
  2. Step 2: Convert to fraction form
    39,830.15/54,959.18 = 22,831.27/x
  3. Step 3: Cross multiply
    39,830.15x = 54,959.18 × 22,831.27
  4. Step 4: Simplify right side
    39,830.15x = 1,254,787,877.56
  5. Step 5: Solve for x
    x = 1,254,787,877.56/39,830.15
  6. Step 6: Final answer
    x = 31,503.47

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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.