Home / 39,215.48-58,823.82-21,647.12

Finding the Fourth Proportional to 39,215.48, 58,823.82 and 21,647.12

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Solution

The fourth proportional to 39,215.48, 58,823.82 and 21,647.12 is: 32,471.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,215.48 : 58,823.82 = 21,647.12 : x
  2. Step 2: Convert to fraction form
    39,215.48/58,823.82 = 21,647.12/x
  3. Step 3: Cross multiply
    39,215.48x = 58,823.82 × 21,647.12
  4. Step 4: Simplify right side
    39,215.48x = 1,273,366,290.40
  5. Step 5: Solve for x
    x = 1,273,366,290.40/39,215.48
  6. Step 6: Final answer
    x = 32,471.01

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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.