Home / 31,937.51-47,912.03-13,207.37

Finding the Fourth Proportional to 31,937.51, 47,912.03 and 13,207.37

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Solution

The fourth proportional to 31,937.51, 47,912.03 and 13,207.37 is: 19,813.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,937.51 : 47,912.03 = 13,207.37 : x
  2. Step 2: Convert to fraction form
    31,937.51/47,912.03 = 13,207.37/x
  3. Step 3: Cross multiply
    31,937.51x = 47,912.03 × 13,207.37
  4. Step 4: Simplify right side
    31,937.51x = 632,792,060.46
  5. Step 5: Solve for x
    x = 632,792,060.46/31,937.51
  6. Step 6: Final answer
    x = 19,813.45

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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.