Home / 47,191.68-70,836.75-20,914.92

Finding the Fourth Proportional to 47,191.68, 70,836.75 and 20,914.92

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Solution

The fourth proportional to 47,191.68, 70,836.75 and 20,914.92 is: 31,394.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,191.68 : 70,836.75 = 20,914.92 : x
  2. Step 2: Convert to fraction form
    47,191.68/70,836.75 = 20,914.92/x
  3. Step 3: Cross multiply
    47,191.68x = 70,836.75 × 20,914.92
  4. Step 4: Simplify right side
    47,191.68x = 1,481,544,959.31
  5. Step 5: Solve for x
    x = 1,481,544,959.31/47,191.68
  6. Step 6: Final answer
    x = 31,394.20

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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.