Home / 47,213.28-70,808.58-13,924.31

Finding the Fourth Proportional to 47,213.28, 70,808.58 and 13,924.31

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Solution

The fourth proportional to 47,213.28, 70,808.58 and 13,924.31 is: 20,883.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,213.28 : 70,808.58 = 13,924.31 : x
  2. Step 2: Convert to fraction form
    47,213.28/70,808.58 = 13,924.31/x
  3. Step 3: Cross multiply
    47,213.28x = 70,808.58 × 13,924.31
  4. Step 4: Simplify right side
    47,213.28x = 985,960,264.54
  5. Step 5: Solve for x
    x = 985,960,264.54/47,213.28
  6. Step 6: Final answer
    x = 20,883.11

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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.