Home / 30,178.08-41,646.12-16,750.65

Finding the Fourth Proportional to 30,178.08, 41,646.12 and 16,750.65

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Solution

The fourth proportional to 30,178.08, 41,646.12 and 16,750.65 is: 23,116.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,178.08 : 41,646.12 = 16,750.65 : x
  2. Step 2: Convert to fraction form
    30,178.08/41,646.12 = 16,750.65/x
  3. Step 3: Cross multiply
    30,178.08x = 41,646.12 × 16,750.65
  4. Step 4: Simplify right side
    30,178.08x = 697,599,579.98
  5. Step 5: Solve for x
    x = 697,599,579.98/30,178.08
  6. Step 6: Final answer
    x = 23,116.10

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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.