Home / 56,984.06-85,439-19,028.66

Finding the Fourth Proportional to 56,984.06, 85,439 and 19,028.66

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Solution

The fourth proportional to 56,984.06, 85,439 and 19,028.66 is: 28,530.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,984.06 : 85,439 = 19,028.66 : x
  2. Step 2: Convert to fraction form
    56,984.06/85,439 = 19,028.66/x
  3. Step 3: Cross multiply
    56,984.06x = 85,439 × 19,028.66
  4. Step 4: Simplify right side
    56,984.06x = 1,625,789,681.74
  5. Step 5: Solve for x
    x = 1,625,789,681.74/56,984.06
  6. Step 6: Final answer
    x = 28,530.60

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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.