Home / 31,572.56-43,570.44-18,144.08

Finding the Fourth Proportional to 31,572.56, 43,570.44 and 18,144.08

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Solution

The fourth proportional to 31,572.56, 43,570.44 and 18,144.08 is: 25,039.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,572.56 : 43,570.44 = 18,144.08 : x
  2. Step 2: Convert to fraction form
    31,572.56/43,570.44 = 18,144.08/x
  3. Step 3: Cross multiply
    31,572.56x = 43,570.44 × 18,144.08
  4. Step 4: Simplify right side
    31,572.56x = 790,545,549.00
  5. Step 5: Solve for x
    x = 790,545,549.00/31,572.56
  6. Step 6: Final answer
    x = 25,039.01

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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.