Home / 47,701.50-71,513.13-21,028.59

Finding the Fourth Proportional to 47,701.50, 71,513.13 and 21,028.59

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Solution

The fourth proportional to 47,701.50, 71,513.13 and 21,028.59 is: 31,525.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,701.50 : 71,513.13 = 21,028.59 : x
  2. Step 2: Convert to fraction form
    47,701.50/71,513.13 = 21,028.59/x
  3. Step 3: Cross multiply
    47,701.50x = 71,513.13 × 21,028.59
  4. Step 4: Simplify right side
    47,701.50x = 1,503,820,290.39
  5. Step 5: Solve for x
    x = 1,503,820,290.39/47,701.50
  6. Step 6: Final answer
    x = 31,525.64

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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.