Home / 30,886.20-46,329.30-15,301.80

Finding the Fourth Proportional to 30,886.20, 46,329.30 and 15,301.80

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Solution

The fourth proportional to 30,886.20, 46,329.30 and 15,301.80 is: 22,952.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,886.20 : 46,329.30 = 15,301.80 : x
  2. Step 2: Convert to fraction form
    30,886.20/46,329.30 = 15,301.80/x
  3. Step 3: Cross multiply
    30,886.20x = 46,329.30 × 15,301.80
  4. Step 4: Simplify right side
    30,886.20x = 708,921,682.74
  5. Step 5: Solve for x
    x = 708,921,682.74/30,886.20
  6. Step 6: Final answer
    x = 22,952.70

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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.