Home / 39,137.21-58,653.90-21,322.17

Finding the Fourth Proportional to 39,137.21, 58,653.90 and 21,322.17

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Solution

The fourth proportional to 39,137.21, 58,653.90 and 21,322.17 is: 31,954.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,137.21 : 58,653.90 = 21,322.17 : x
  2. Step 2: Convert to fraction form
    39,137.21/58,653.90 = 21,322.17/x
  3. Step 3: Cross multiply
    39,137.21x = 58,653.90 × 21,322.17
  4. Step 4: Simplify right side
    39,137.21x = 1,250,628,426.96
  5. Step 5: Solve for x
    x = 1,250,628,426.96/39,137.21
  6. Step 6: Final answer
    x = 31,954.98

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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.