Home / 48,007.02-66,231.21-30,070.80

Finding the Fourth Proportional to 48,007.02, 66,231.21 and 30,070.80

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Solution

The fourth proportional to 48,007.02, 66,231.21 and 30,070.80 is: 41,486.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,007.02 : 66,231.21 = 30,070.80 : x
  2. Step 2: Convert to fraction form
    48,007.02/66,231.21 = 30,070.80/x
  3. Step 3: Cross multiply
    48,007.02x = 66,231.21 × 30,070.80
  4. Step 4: Simplify right side
    48,007.02x = 1,991,625,469.67
  5. Step 5: Solve for x
    x = 1,991,625,469.67/48,007.02
  6. Step 6: Final answer
    x = 41,486.13

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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.