Home / 47,972.45-66,201.10-27,831.20

Finding the Fourth Proportional to 47,972.45, 66,201.10 and 27,831.20

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Solution

The fourth proportional to 47,972.45, 66,201.10 and 27,831.20 is: 38,406.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,972.45 : 66,201.10 = 27,831.20 : x
  2. Step 2: Convert to fraction form
    47,972.45/66,201.10 = 27,831.20/x
  3. Step 3: Cross multiply
    47,972.45x = 66,201.10 × 27,831.20
  4. Step 4: Simplify right side
    47,972.45x = 1,842,455,653.74
  5. Step 5: Solve for x
    x = 1,842,455,653.74/47,972.45
  6. Step 6: Final answer
    x = 38,406.53

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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.