Home / 51,601.29-71,212.65-38,831.50

Finding the Fourth Proportional to 51,601.29, 71,212.65 and 38,831.50

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Solution

The fourth proportional to 51,601.29, 71,212.65 and 38,831.50 is: 53,589.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,601.29 : 71,212.65 = 38,831.50 : x
  2. Step 2: Convert to fraction form
    51,601.29/71,212.65 = 38,831.50/x
  3. Step 3: Cross multiply
    51,601.29x = 71,212.65 × 38,831.50
  4. Step 4: Simplify right side
    51,601.29x = 2,765,294,018.48
  5. Step 5: Solve for x
    x = 2,765,294,018.48/51,601.29
  6. Step 6: Final answer
    x = 53,589.63

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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.