Home / 55,805.02-77,008.76-30,310.84

Finding the Fourth Proportional to 55,805.02, 77,008.76 and 30,310.84

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Solution

The fourth proportional to 55,805.02, 77,008.76 and 30,310.84 is: 41,827.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,805.02 : 77,008.76 = 30,310.84 : x
  2. Step 2: Convert to fraction form
    55,805.02/77,008.76 = 30,310.84/x
  3. Step 3: Cross multiply
    55,805.02x = 77,008.76 × 30,310.84
  4. Step 4: Simplify right side
    55,805.02x = 2,334,200,261.33
  5. Step 5: Solve for x
    x = 2,334,200,261.33/55,805.02
  6. Step 6: Final answer
    x = 41,827.78

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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.