Home / 31,550.05-47,334.02-12,843.51

Finding the Fourth Proportional to 31,550.05, 47,334.02 and 12,843.51

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Solution

The fourth proportional to 31,550.05, 47,334.02 and 12,843.51 is: 19,268.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,550.05 : 47,334.02 = 12,843.51 : x
  2. Step 2: Convert to fraction form
    31,550.05/47,334.02 = 12,843.51/x
  3. Step 3: Cross multiply
    31,550.05x = 47,334.02 × 12,843.51
  4. Step 4: Simplify right side
    31,550.05x = 607,934,991.32
  5. Step 5: Solve for x
    x = 607,934,991.32/31,550.05
  6. Step 6: Final answer
    x = 19,268.91

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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.