Home / 47,771.68-71,686.32-16,628.80

Finding the Fourth Proportional to 47,771.68, 71,686.32 and 16,628.80

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Solution

The fourth proportional to 47,771.68, 71,686.32 and 16,628.80 is: 24,953.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,771.68 : 71,686.32 = 16,628.80 : x
  2. Step 2: Convert to fraction form
    47,771.68/71,686.32 = 16,628.80/x
  3. Step 3: Cross multiply
    47,771.68x = 71,686.32 × 16,628.80
  4. Step 4: Simplify right side
    47,771.68x = 1,192,057,478.02
  5. Step 5: Solve for x
    x = 1,192,057,478.02/47,771.68
  6. Step 6: Final answer
    x = 24,953.22

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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.