Home / 53,831.40-74,286.32-29,957.86

Finding the Fourth Proportional to 53,831.40, 74,286.32 and 29,957.86

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Solution

The fourth proportional to 53,831.40, 74,286.32 and 29,957.86 is: 41,341.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,831.40 : 74,286.32 = 29,957.86 : x
  2. Step 2: Convert to fraction form
    53,831.40/74,286.32 = 29,957.86/x
  3. Step 3: Cross multiply
    53,831.40x = 74,286.32 × 29,957.86
  4. Step 4: Simplify right side
    53,831.40x = 2,225,459,174.48
  5. Step 5: Solve for x
    x = 2,225,459,174.48/53,831.40
  6. Step 6: Final answer
    x = 41,341.28

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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.