Home / 30,382.02-45,572.90-8,197.65

Finding the Fourth Proportional to 30,382.02, 45,572.90 and 8,197.65

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Solution

The fourth proportional to 30,382.02, 45,572.90 and 8,197.65 is: 12,296.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,382.02 : 45,572.90 = 8,197.65 : x
  2. Step 2: Convert to fraction form
    30,382.02/45,572.90 = 8,197.65/x
  3. Step 3: Cross multiply
    30,382.02x = 45,572.90 × 8,197.65
  4. Step 4: Simplify right side
    30,382.02x = 373,590,642.70
  5. Step 5: Solve for x
    x = 373,590,642.70/30,382.02
  6. Step 6: Final answer
    x = 12,296.44

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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.