Home / 47,479.32-71,218.20-14,199.60

Finding the Fourth Proportional to 47,479.32, 71,218.20 and 14,199.60

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Solution

The fourth proportional to 47,479.32, 71,218.20 and 14,199.60 is: 21,299.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,479.32 : 71,218.20 = 14,199.60 : x
  2. Step 2: Convert to fraction form
    47,479.32/71,218.20 = 14,199.60/x
  3. Step 3: Cross multiply
    47,479.32x = 71,218.20 × 14,199.60
  4. Step 4: Simplify right side
    47,479.32x = 1,011,269,952.72
  5. Step 5: Solve for x
    x = 1,011,269,952.72/47,479.32
  6. Step 6: Final answer
    x = 21,299.17

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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.