Home / 31,847.99-47,821.32-17,085.74

Finding the Fourth Proportional to 31,847.99, 47,821.32 and 17,085.74

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Solution

The fourth proportional to 31,847.99, 47,821.32 and 17,085.74 is: 25,655.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,847.99 : 47,821.32 = 17,085.74 : x
  2. Step 2: Convert to fraction form
    31,847.99/47,821.32 = 17,085.74/x
  3. Step 3: Cross multiply
    31,847.99x = 47,821.32 × 17,085.74
  4. Step 4: Simplify right side
    31,847.99x = 817,062,400.87
  5. Step 5: Solve for x
    x = 817,062,400.87/31,847.99
  6. Step 6: Final answer
    x = 25,655.07

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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.