Home / 39,735.64-54,831.78-22,740.04

Finding the Fourth Proportional to 39,735.64, 54,831.78 and 22,740.04

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Solution

The fourth proportional to 39,735.64, 54,831.78 and 22,740.04 is: 31,379.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,735.64 : 54,831.78 = 22,740.04 : x
  2. Step 2: Convert to fraction form
    39,735.64/54,831.78 = 22,740.04/x
  3. Step 3: Cross multiply
    39,735.64x = 54,831.78 × 22,740.04
  4. Step 4: Simplify right side
    39,735.64x = 1,246,876,870.47
  5. Step 5: Solve for x
    x = 1,246,876,870.47/39,735.64
  6. Step 6: Final answer
    x = 31,379.31

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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.