Home / 31,660.29-47,501.82-14,808.36

Finding the Fourth Proportional to 31,660.29, 47,501.82 and 14,808.36

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Solution

The fourth proportional to 31,660.29, 47,501.82 and 14,808.36 is: 22,217.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,660.29 : 47,501.82 = 14,808.36 : x
  2. Step 2: Convert to fraction form
    31,660.29/47,501.82 = 14,808.36/x
  3. Step 3: Cross multiply
    31,660.29x = 47,501.82 × 14,808.36
  4. Step 4: Simplify right side
    31,660.29x = 703,424,051.22
  5. Step 5: Solve for x
    x = 703,424,051.22/31,660.29
  6. Step 6: Final answer
    x = 22,217.87

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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.