Home / 51,601.04-71,212.31-38,831.25

Finding the Fourth Proportional to 51,601.04, 71,212.31 and 38,831.25

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Solution

The fourth proportional to 51,601.04, 71,212.31 and 38,831.25 is: 53,589.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,601.04 : 71,212.31 = 38,831.25 : x
  2. Step 2: Convert to fraction form
    51,601.04/71,212.31 = 38,831.25/x
  3. Step 3: Cross multiply
    51,601.04x = 71,212.31 × 38,831.25
  4. Step 4: Simplify right side
    51,601.04x = 2,765,262,818.53
  5. Step 5: Solve for x
    x = 2,765,262,818.53/51,601.04
  6. Step 6: Final answer
    x = 53,589.29

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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.