Home / 31,647.02-47,428.61-16,824.02

Finding the Fourth Proportional to 31,647.02, 47,428.61 and 16,824.02

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Solution

The fourth proportional to 31,647.02, 47,428.61 and 16,824.02 is: 25,213.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,647.02 : 47,428.61 = 16,824.02 : x
  2. Step 2: Convert to fraction form
    31,647.02/47,428.61 = 16,824.02/x
  3. Step 3: Cross multiply
    31,647.02x = 47,428.61 × 16,824.02
  4. Step 4: Simplify right side
    31,647.02x = 797,939,561.95
  5. Step 5: Solve for x
    x = 797,939,561.95/31,647.02
  6. Step 6: Final answer
    x = 25,213.74

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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.