Home / 59,658.06-89,431.20-20,187.54

Finding the Fourth Proportional to 59,658.06, 89,431.20 and 20,187.54

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Solution

The fourth proportional to 59,658.06, 89,431.20 and 20,187.54 is: 30,262.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,658.06 : 89,431.20 = 20,187.54 : x
  2. Step 2: Convert to fraction form
    59,658.06/89,431.20 = 20,187.54/x
  3. Step 3: Cross multiply
    59,658.06x = 89,431.20 × 20,187.54
  4. Step 4: Simplify right side
    59,658.06x = 1,805,395,927.25
  5. Step 5: Solve for x
    x = 1,805,395,927.25/59,658.06
  6. Step 6: Final answer
    x = 30,262.40

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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.