Home / 31,401.14-43,322.85-19,460.12

Finding the Fourth Proportional to 31,401.14, 43,322.85 and 19,460.12

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Solution

The fourth proportional to 31,401.14, 43,322.85 and 19,460.12 is: 26,848.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,401.14 : 43,322.85 = 19,460.12 : x
  2. Step 2: Convert to fraction form
    31,401.14/43,322.85 = 19,460.12/x
  3. Step 3: Cross multiply
    31,401.14x = 43,322.85 × 19,460.12
  4. Step 4: Simplify right side
    31,401.14x = 843,067,643.13
  5. Step 5: Solve for x
    x = 843,067,643.13/31,401.14
  6. Step 6: Final answer
    x = 26,848.32

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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.