Home / 39,313.32-58,955.39-21,297.97

Finding the Fourth Proportional to 39,313.32, 58,955.39 and 21,297.97

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Solution

The fourth proportional to 39,313.32, 58,955.39 and 21,297.97 is: 31,939.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,313.32 : 58,955.39 = 21,297.97 : x
  2. Step 2: Convert to fraction form
    39,313.32/58,955.39 = 21,297.97/x
  3. Step 3: Cross multiply
    39,313.32x = 58,955.39 × 21,297.97
  4. Step 4: Simplify right side
    39,313.32x = 1,255,630,127.56
  5. Step 5: Solve for x
    x = 1,255,630,127.56/39,313.32
  6. Step 6: Final answer
    x = 31,939.05

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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.