Home / 30,228.15-41,714.69-16,616.51

Finding the Fourth Proportional to 30,228.15, 41,714.69 and 16,616.51

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Solution

The fourth proportional to 30,228.15, 41,714.69 and 16,616.51 is: 22,930.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,228.15 : 41,714.69 = 16,616.51 : x
  2. Step 2: Convert to fraction form
    30,228.15/41,714.69 = 16,616.51/x
  3. Step 3: Cross multiply
    30,228.15x = 41,714.69 × 16,616.51
  4. Step 4: Simplify right side
    30,228.15x = 693,152,563.53
  5. Step 5: Solve for x
    x = 693,152,563.53/30,228.15
  6. Step 6: Final answer
    x = 22,930.70

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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.