Home / 67,272.72-92,831.56-40,047.36

Finding the Fourth Proportional to 67,272.72, 92,831.56 and 40,047.36

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Solution

The fourth proportional to 67,272.72, 92,831.56 and 40,047.36 is: 55,262.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,272.72 : 92,831.56 = 40,047.36 : x
  2. Step 2: Convert to fraction form
    67,272.72/92,831.56 = 40,047.36/x
  3. Step 3: Cross multiply
    67,272.72x = 92,831.56 × 40,047.36
  4. Step 4: Simplify right side
    67,272.72x = 3,717,658,902.68
  5. Step 5: Solve for x
    x = 3,717,658,902.68/67,272.72
  6. Step 6: Final answer
    x = 55,262.50

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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.