Home / 47,213.97-70,788.14-20,904.36

Finding the Fourth Proportional to 47,213.97, 70,788.14 and 20,904.36

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Solution

The fourth proportional to 47,213.97, 70,788.14 and 20,904.36 is: 31,342.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,213.97 : 70,788.14 = 20,904.36 : x
  2. Step 2: Convert to fraction form
    47,213.97/70,788.14 = 20,904.36/x
  3. Step 3: Cross multiply
    47,213.97x = 70,788.14 × 20,904.36
  4. Step 4: Simplify right side
    47,213.97x = 1,479,780,762.29
  5. Step 5: Solve for x
    x = 1,479,780,762.29/47,213.97
  6. Step 6: Final answer
    x = 31,342.01

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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.