Home / 84,831.30-127,260.18-25,660.80

Finding the Fourth Proportional to 84,831.30, 127,260.18 and 25,660.80

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Solution

The fourth proportional to 84,831.30, 127,260.18 and 25,660.80 is: 38,495.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,831.30 : 127,260.18 = 25,660.80 : x
  2. Step 2: Convert to fraction form
    84,831.30/127,260.18 = 25,660.80/x
  3. Step 3: Cross multiply
    84,831.30x = 127,260.18 × 25,660.80
  4. Step 4: Simplify right side
    84,831.30x = 3,265,598,026.94
  5. Step 5: Solve for x
    x = 3,265,598,026.94/84,831.30
  6. Step 6: Final answer
    x = 38,495.20

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1.5x scale

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.