Home / 30,871.35-46,279.52-11,145.52

Finding the Fourth Proportional to 30,871.35, 46,279.52 and 11,145.52

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Solution

The fourth proportional to 30,871.35, 46,279.52 and 11,145.52 is: 16,708.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,871.35 : 46,279.52 = 11,145.52 : x
  2. Step 2: Convert to fraction form
    30,871.35/46,279.52 = 11,145.52/x
  3. Step 3: Cross multiply
    30,871.35x = 46,279.52 × 11,145.52
  4. Step 4: Simplify right side
    30,871.35x = 515,809,315.75
  5. Step 5: Solve for x
    x = 515,809,315.75/30,871.35
  6. Step 6: Final answer
    x = 16,708.35

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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.