Home / 31,721.37-47,582.00-13,001.43

Finding the Fourth Proportional to 31,721.37, 47,582.00 and 13,001.43

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Solution

The fourth proportional to 31,721.37, 47,582.00 and 13,001.43 is: 19,502.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,721.37 : 47,582.00 = 13,001.43 : x
  2. Step 2: Convert to fraction form
    31,721.37/47,582.00 = 13,001.43/x
  3. Step 3: Cross multiply
    31,721.37x = 47,582.00 × 13,001.43
  4. Step 4: Simplify right side
    31,721.37x = 618,634,064.59
  5. Step 5: Solve for x
    x = 618,634,064.59/31,721.37
  6. Step 6: Final answer
    x = 19,502.12

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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.