Home / 40,784.54-61,156.04-15,831.74

Finding the Fourth Proportional to 40,784.54, 61,156.04 and 15,831.74

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Solution

The fourth proportional to 40,784.54, 61,156.04 and 15,831.74 is: 23,739.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,784.54 : 61,156.04 = 15,831.74 : x
  2. Step 2: Convert to fraction form
    40,784.54/61,156.04 = 15,831.74/x
  3. Step 3: Cross multiply
    40,784.54x = 61,156.04 × 15,831.74
  4. Step 4: Simplify right side
    40,784.54x = 968,206,524.71
  5. Step 5: Solve for x
    x = 968,206,524.71/40,784.54
  6. Step 6: Final answer
    x = 23,739.55

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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.