Home / 48,478.26-66,900.96-28,335.99

Finding the Fourth Proportional to 48,478.26, 66,900.96 and 28,335.99

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Solution

The fourth proportional to 48,478.26, 66,900.96 and 28,335.99 is: 39,104.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,478.26 : 66,900.96 = 28,335.99 : x
  2. Step 2: Convert to fraction form
    48,478.26/66,900.96 = 28,335.99/x
  3. Step 3: Cross multiply
    48,478.26x = 66,900.96 × 28,335.99
  4. Step 4: Simplify right side
    48,478.26x = 1,895,704,933.55
  5. Step 5: Solve for x
    x = 1,895,704,933.55/48,478.26
  6. Step 6: Final answer
    x = 39,104.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.