Home / 34,403.15-47,475.99-20,973.56

Finding the Fourth Proportional to 34,403.15, 47,475.99 and 20,973.56

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Solution

The fourth proportional to 34,403.15, 47,475.99 and 20,973.56 is: 28,943.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,403.15 : 47,475.99 = 20,973.56 : x
  2. Step 2: Convert to fraction form
    34,403.15/47,475.99 = 20,973.56/x
  3. Step 3: Cross multiply
    34,403.15x = 47,475.99 × 20,973.56
  4. Step 4: Simplify right side
    34,403.15x = 995,740,287.44
  5. Step 5: Solve for x
    x = 995,740,287.44/34,403.15
  6. Step 6: Final answer
    x = 28,943.29

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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.