Home / 31,808.86-47,726.49-16,005.45

Finding the Fourth Proportional to 31,808.86, 47,726.49 and 16,005.45

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Solution

The fourth proportional to 31,808.86, 47,726.49 and 16,005.45 is: 24,014.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,808.86 : 47,726.49 = 16,005.45 : x
  2. Step 2: Convert to fraction form
    31,808.86/47,726.49 = 16,005.45/x
  3. Step 3: Cross multiply
    31,808.86x = 47,726.49 × 16,005.45
  4. Step 4: Simplify right side
    31,808.86x = 763,883,949.37
  5. Step 5: Solve for x
    x = 763,883,949.37/31,808.86
  6. Step 6: Final answer
    x = 24,014.82

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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.