Home / 59,991-89,986.98-20,548.46

Finding the Fourth Proportional to 59,991, 89,986.98 and 20,548.46

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Solution

The fourth proportional to 59,991, 89,986.98 and 20,548.46 is: 30,822.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,991 : 89,986.98 = 20,548.46 : x
  2. Step 2: Convert to fraction form
    59,991/89,986.98 = 20,548.46/x
  3. Step 3: Cross multiply
    59,991x = 89,986.98 × 20,548.46
  4. Step 4: Simplify right side
    59,991x = 1,849,093,859.05
  5. Step 5: Solve for x
    x = 1,849,093,859.05/59,991
  6. Step 6: Final answer
    x = 30,822.85

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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.