Home / 39,679.83-54,758.13-22,684.45

Finding the Fourth Proportional to 39,679.83, 54,758.13 and 22,684.45

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Solution

The fourth proportional to 39,679.83, 54,758.13 and 22,684.45 is: 31,304.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,679.83 : 54,758.13 = 22,684.45 : x
  2. Step 2: Convert to fraction form
    39,679.83/54,758.13 = 22,684.45/x
  3. Step 3: Cross multiply
    39,679.83x = 54,758.13 × 22,684.45
  4. Step 4: Simplify right side
    39,679.83x = 1,242,158,062.08
  5. Step 5: Solve for x
    x = 1,242,158,062.08/39,679.83
  6. Step 6: Final answer
    x = 31,304.52

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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.