Home / 31,518.87-43,482.26-22,563.11

Finding the Fourth Proportional to 31,518.87, 43,482.26 and 22,563.11

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Solution

The fourth proportional to 31,518.87, 43,482.26 and 22,563.11 is: 31,127.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,518.87 : 43,482.26 = 22,563.11 : x
  2. Step 2: Convert to fraction form
    31,518.87/43,482.26 = 22,563.11/x
  3. Step 3: Cross multiply
    31,518.87x = 43,482.26 × 22,563.11
  4. Step 4: Simplify right side
    31,518.87x = 981,094,685.20
  5. Step 5: Solve for x
    x = 981,094,685.20/31,518.87
  6. Step 6: Final answer
    x = 31,127.22

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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.