Home / 57,219.74-85,813.21-17,242.59

Finding the Fourth Proportional to 57,219.74, 85,813.21 and 17,242.59

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Solution

The fourth proportional to 57,219.74, 85,813.21 and 17,242.59 is: 25,858.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,219.74 : 85,813.21 = 17,242.59 : x
  2. Step 2: Convert to fraction form
    57,219.74/85,813.21 = 17,242.59/x
  3. Step 3: Cross multiply
    57,219.74x = 85,813.21 × 17,242.59
  4. Step 4: Simplify right side
    57,219.74x = 1,479,642,347.67
  5. Step 5: Solve for x
    x = 1,479,642,347.67/57,219.74
  6. Step 6: Final answer
    x = 25,858.95

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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.