Home / 31,453.36-47,112-14,788.42

Finding the Fourth Proportional to 31,453.36, 47,112 and 14,788.42

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Solution

The fourth proportional to 31,453.36, 47,112 and 14,788.42 is: 22,150.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,453.36 : 47,112 = 14,788.42 : x
  2. Step 2: Convert to fraction form
    31,453.36/47,112 = 14,788.42/x
  3. Step 3: Cross multiply
    31,453.36x = 47,112 × 14,788.42
  4. Step 4: Simplify right side
    31,453.36x = 696,712,043.04
  5. Step 5: Solve for x
    x = 696,712,043.04/31,453.36
  6. Step 6: Final answer
    x = 22,150.64

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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.