Home / 20,831.78-31,252.55-6,041.00

Finding the Fourth Proportional to 20,831.78, 31,252.55 and 6,041.00

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Solution

The fourth proportional to 20,831.78, 31,252.55 and 6,041.00 is: 9,062.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,831.78 : 31,252.55 = 6,041.00 : x
  2. Step 2: Convert to fraction form
    20,831.78/31,252.55 = 6,041.00/x
  3. Step 3: Cross multiply
    20,831.78x = 31,252.55 × 6,041.00
  4. Step 4: Simplify right side
    20,831.78x = 188,796,468.08
  5. Step 5: Solve for x
    x = 188,796,468.08/20,831.78
  6. Step 6: Final answer
    x = 9,062.91

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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.