Home / 31,967.54-47,917.86-10,900.19

Finding the Fourth Proportional to 31,967.54, 47,917.86 and 10,900.19

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Solution

The fourth proportional to 31,967.54, 47,917.86 and 10,900.19 is: 16,338.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,967.54 : 47,917.86 = 10,900.19 : x
  2. Step 2: Convert to fraction form
    31,967.54/47,917.86 = 10,900.19/x
  3. Step 3: Cross multiply
    31,967.54x = 47,917.86 × 10,900.19
  4. Step 4: Simplify right side
    31,967.54x = 522,313,898.19
  5. Step 5: Solve for x
    x = 522,313,898.19/31,967.54
  6. Step 6: Final answer
    x = 16,338.89

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1.5x scale

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.