Home / 31,977.02-44,128.68-18,548.84

Finding the Fourth Proportional to 31,977.02, 44,128.68 and 18,548.84

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Solution

The fourth proportional to 31,977.02, 44,128.68 and 18,548.84 is: 25,597.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,977.02 : 44,128.68 = 18,548.84 : x
  2. Step 2: Convert to fraction form
    31,977.02/44,128.68 = 18,548.84/x
  3. Step 3: Cross multiply
    31,977.02x = 44,128.68 × 18,548.84
  4. Step 4: Simplify right side
    31,977.02x = 818,535,824.73
  5. Step 5: Solve for x
    x = 818,535,824.73/31,977.02
  6. Step 6: Final answer
    x = 25,597.63

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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.