Home / 31,808.07-47,940.73-27,418.71

Finding the Fourth Proportional to 31,808.07, 47,940.73 and 27,418.71

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Solution

The fourth proportional to 31,808.07, 47,940.73 and 27,418.71 is: 41,325.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,808.07 : 47,940.73 = 27,418.71 : x
  2. Step 2: Convert to fraction form
    31,808.07/47,940.73 = 27,418.71/x
  3. Step 3: Cross multiply
    31,808.07x = 47,940.73 × 27,418.71
  4. Step 4: Simplify right side
    31,808.07x = 1,314,472,904.51
  5. Step 5: Solve for x
    x = 1,314,472,904.51/31,808.07
  6. Step 6: Final answer
    x = 41,325.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.