Home / 51,831.28-71,526.72-29,475.28

Finding the Fourth Proportional to 51,831.28, 71,526.72 and 29,475.28

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Solution

The fourth proportional to 51,831.28, 71,526.72 and 29,475.28 is: 40,675.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,831.28 : 71,526.72 = 29,475.28 : x
  2. Step 2: Convert to fraction form
    51,831.28/71,526.72 = 29,475.28/x
  3. Step 3: Cross multiply
    51,831.28x = 71,526.72 × 29,475.28
  4. Step 4: Simplify right side
    51,831.28x = 2,108,270,099.48
  5. Step 5: Solve for x
    x = 2,108,270,099.48/51,831.28
  6. Step 6: Final answer
    x = 40,675.63

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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.