Home / 52,831.65-72,908.18-28,958.79

Finding the Fourth Proportional to 52,831.65, 72,908.18 and 28,958.79

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Solution

The fourth proportional to 52,831.65, 72,908.18 and 28,958.79 is: 39,963.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,831.65 : 72,908.18 = 28,958.79 : x
  2. Step 2: Convert to fraction form
    52,831.65/72,908.18 = 28,958.79/x
  3. Step 3: Cross multiply
    52,831.65x = 72,908.18 × 28,958.79
  4. Step 4: Simplify right side
    52,831.65x = 2,111,332,673.90
  5. Step 5: Solve for x
    x = 2,111,332,673.90/52,831.65
  6. Step 6: Final answer
    x = 39,963.41

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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.