Home / 39,417.99-54,396.81-22,422.17

Finding the Fourth Proportional to 39,417.99, 54,396.81 and 22,422.17

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Solution

The fourth proportional to 39,417.99, 54,396.81 and 22,422.17 is: 30,942.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,417.99 : 54,396.81 = 22,422.17 : x
  2. Step 2: Convert to fraction form
    39,417.99/54,396.81 = 22,422.17/x
  3. Step 3: Cross multiply
    39,417.99x = 54,396.81 × 22,422.17
  4. Step 4: Simplify right side
    39,417.99x = 1,219,694,249.29
  5. Step 5: Solve for x
    x = 1,219,694,249.29/39,417.99
  6. Step 6: Final answer
    x = 30,942.58

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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.