Home / 39,643.79-54,708.84-22,650.26

Finding the Fourth Proportional to 39,643.79, 54,708.84 and 22,650.26

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Solution

The fourth proportional to 39,643.79, 54,708.84 and 22,650.26 is: 31,257.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,643.79 : 54,708.84 = 22,650.26 : x
  2. Step 2: Convert to fraction form
    39,643.79/54,708.84 = 22,650.26/x
  3. Step 3: Cross multiply
    39,643.79x = 54,708.84 × 22,650.26
  4. Step 4: Simplify right side
    39,643.79x = 1,239,169,176.75
  5. Step 5: Solve for x
    x = 1,239,169,176.75/39,643.79
  6. Step 6: Final answer
    x = 31,257.59

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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.