Home / 39,777.02-54,900.64-25,231.80

Finding the Fourth Proportional to 39,777.02, 54,900.64 and 25,231.80

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Solution

The fourth proportional to 39,777.02, 54,900.64 and 25,231.80 is: 34,825.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,777.02 : 54,900.64 = 25,231.80 : x
  2. Step 2: Convert to fraction form
    39,777.02/54,900.64 = 25,231.80/x
  3. Step 3: Cross multiply
    39,777.02x = 54,900.64 × 25,231.80
  4. Step 4: Simplify right side
    39,777.02x = 1,385,241,693.85
  5. Step 5: Solve for x
    x = 1,385,241,693.85/39,777.02
  6. Step 6: Final answer
    x = 34,825.18

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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.