Home / 45,183.08-67,758.98-18,521.50

Finding the Fourth Proportional to 45,183.08, 67,758.98 and 18,521.50

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Solution

The fourth proportional to 45,183.08, 67,758.98 and 18,521.50 is: 27,775.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,183.08 : 67,758.98 = 18,521.50 : x
  2. Step 2: Convert to fraction form
    45,183.08/67,758.98 = 18,521.50/x
  3. Step 3: Cross multiply
    45,183.08x = 67,758.98 × 18,521.50
  4. Step 4: Simplify right side
    45,183.08x = 1,254,997,880.61
  5. Step 5: Solve for x
    x = 1,254,997,880.61/45,183.08
  6. Step 6: Final answer
    x = 27,775.84

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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.