Home / 47,725.60-71,566.80-21,416.80

Finding the Fourth Proportional to 47,725.60, 71,566.80 and 21,416.80

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Solution

The fourth proportional to 47,725.60, 71,566.80 and 21,416.80 is: 32,115.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,725.60 : 71,566.80 = 21,416.80 : x
  2. Step 2: Convert to fraction form
    47,725.60/71,566.80 = 21,416.80/x
  3. Step 3: Cross multiply
    47,725.60x = 71,566.80 × 21,416.80
  4. Step 4: Simplify right side
    47,725.60x = 1,532,731,842.24
  5. Step 5: Solve for x
    x = 1,532,731,842.24/47,725.60
  6. Step 6: Final answer
    x = 32,115.51

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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.