Home / 47,250.21-70,839.68-28,525.80

Finding the Fourth Proportional to 47,250.21, 70,839.68 and 28,525.80

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Solution

The fourth proportional to 47,250.21, 70,839.68 and 28,525.80 is: 42,767.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,250.21 : 70,839.68 = 28,525.80 : x
  2. Step 2: Convert to fraction form
    47,250.21/70,839.68 = 28,525.80/x
  3. Step 3: Cross multiply
    47,250.21x = 70,839.68 × 28,525.80
  4. Step 4: Simplify right side
    47,250.21x = 2,020,758,734.96
  5. Step 5: Solve for x
    x = 2,020,758,734.96/47,250.21
  6. Step 6: Final answer
    x = 42,767.19

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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.