Home / 39,729.42-59,607.09-18,950.22

Finding the Fourth Proportional to 39,729.42, 59,607.09 and 18,950.22

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Solution

The fourth proportional to 39,729.42, 59,607.09 and 18,950.22 is: 28,431.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,729.42 : 59,607.09 = 18,950.22 : x
  2. Step 2: Convert to fraction form
    39,729.42/59,607.09 = 18,950.22/x
  3. Step 3: Cross multiply
    39,729.42x = 59,607.09 × 18,950.22
  4. Step 4: Simplify right side
    39,729.42x = 1,129,567,469.06
  5. Step 5: Solve for x
    x = 1,129,567,469.06/39,729.42
  6. Step 6: Final answer
    x = 28,431.51

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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.