Home / 31,299.64-46,831.75-21,957.89

Finding the Fourth Proportional to 31,299.64, 46,831.75 and 21,957.89

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Solution

The fourth proportional to 31,299.64, 46,831.75 and 21,957.89 is: 32,854.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,299.64 : 46,831.75 = 21,957.89 : x
  2. Step 2: Convert to fraction form
    31,299.64/46,831.75 = 21,957.89/x
  3. Step 3: Cross multiply
    31,299.64x = 46,831.75 × 21,957.89
  4. Step 4: Simplify right side
    31,299.64x = 1,028,326,415.01
  5. Step 5: Solve for x
    x = 1,028,326,415.01/31,299.64
  6. Step 6: Final answer
    x = 32,854.26

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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.