Home / 34,831.81-48,067.72-18,916.26

Finding the Fourth Proportional to 34,831.81, 48,067.72 and 18,916.26

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Solution

The fourth proportional to 34,831.81, 48,067.72 and 18,916.26 is: 26,104.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,831.81 : 48,067.72 = 18,916.26 : x
  2. Step 2: Convert to fraction form
    34,831.81/48,067.72 = 18,916.26/x
  3. Step 3: Cross multiply
    34,831.81x = 48,067.72 × 18,916.26
  4. Step 4: Simplify right side
    34,831.81x = 909,261,489.13
  5. Step 5: Solve for x
    x = 909,261,489.13/34,831.81
  6. Step 6: Final answer
    x = 26,104.34

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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.