Home / 33,868.24-46,739.85-20,439.28

Finding the Fourth Proportional to 33,868.24, 46,739.85 and 20,439.28

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Solution

The fourth proportional to 33,868.24, 46,739.85 and 20,439.28 is: 28,207.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,868.24 : 46,739.85 = 20,439.28 : x
  2. Step 2: Convert to fraction form
    33,868.24/46,739.85 = 20,439.28/x
  3. Step 3: Cross multiply
    33,868.24x = 46,739.85 × 20,439.28
  4. Step 4: Simplify right side
    33,868.24x = 955,328,881.31
  5. Step 5: Solve for x
    x = 955,328,881.31/33,868.24
  6. Step 6: Final answer
    x = 28,207.22

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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.