Home / 55,274.27-82,911.09-15,831.40

Finding the Fourth Proportional to 55,274.27, 82,911.09 and 15,831.40

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Solution

The fourth proportional to 55,274.27, 82,911.09 and 15,831.40 is: 23,747.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,274.27 : 82,911.09 = 15,831.40 : x
  2. Step 2: Convert to fraction form
    55,274.27/82,911.09 = 15,831.40/x
  3. Step 3: Cross multiply
    55,274.27x = 82,911.09 × 15,831.40
  4. Step 4: Simplify right side
    55,274.27x = 1,312,598,215.67
  5. Step 5: Solve for x
    x = 1,312,598,215.67/55,274.27
  6. Step 6: Final answer
    x = 23,747.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.