Home / 30,871.33-46,279.65-13,335.23

Finding the Fourth Proportional to 30,871.33, 46,279.65 and 13,335.23

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Solution

The fourth proportional to 30,871.33, 46,279.65 and 13,335.23 is: 19,991.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,871.33 : 46,279.65 = 13,335.23 : x
  2. Step 2: Convert to fraction form
    30,871.33/46,279.65 = 13,335.23/x
  3. Step 3: Cross multiply
    30,871.33x = 46,279.65 × 13,335.23
  4. Step 4: Simplify right side
    30,871.33x = 617,149,942.78
  5. Step 5: Solve for x
    x = 617,149,942.78/30,871.33
  6. Step 6: Final answer
    x = 19,991.04

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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.