Home / 31,564.37-47,409.60-19,739.18

Finding the Fourth Proportional to 31,564.37, 47,409.60 and 19,739.18

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Solution

The fourth proportional to 31,564.37, 47,409.60 and 19,739.18 is: 29,648.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,564.37 : 47,409.60 = 19,739.18 : x
  2. Step 2: Convert to fraction form
    31,564.37/47,409.60 = 19,739.18/x
  3. Step 3: Cross multiply
    31,564.37x = 47,409.60 × 19,739.18
  4. Step 4: Simplify right side
    31,564.37x = 935,826,391.08
  5. Step 5: Solve for x
    x = 935,826,391.08/31,564.37
  6. Step 6: Final answer
    x = 29,648.19

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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.