Home / 31,802.82-47,703.20-14,027.96

Finding the Fourth Proportional to 31,802.82, 47,703.20 and 14,027.96

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Solution

The fourth proportional to 31,802.82, 47,703.20 and 14,027.96 is: 21,041.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,802.82 : 47,703.20 = 14,027.96 : x
  2. Step 2: Convert to fraction form
    31,802.82/47,703.20 = 14,027.96/x
  3. Step 3: Cross multiply
    31,802.82x = 47,703.20 × 14,027.96
  4. Step 4: Simplify right side
    31,802.82x = 669,178,581.47
  5. Step 5: Solve for x
    x = 669,178,581.47/31,802.82
  6. Step 6: Final answer
    x = 21,041.49

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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.