Home / 34,509.16-47,625.68-20,359.24

Finding the Fourth Proportional to 34,509.16, 47,625.68 and 20,359.24

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Solution

The fourth proportional to 34,509.16, 47,625.68 and 20,359.24 is: 28,097.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,509.16 : 47,625.68 = 20,359.24 : x
  2. Step 2: Convert to fraction form
    34,509.16/47,625.68 = 20,359.24/x
  3. Step 3: Cross multiply
    34,509.16x = 47,625.68 × 20,359.24
  4. Step 4: Simplify right side
    34,509.16x = 969,622,649.28
  5. Step 5: Solve for x
    x = 969,622,649.28/34,509.16
  6. Step 6: Final answer
    x = 28,097.54

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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.