Home / 39,975.40-59,915.10-16,589.80

Finding the Fourth Proportional to 39,975.40, 59,915.10 and 16,589.80

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Solution

The fourth proportional to 39,975.40, 59,915.10 and 16,589.80 is: 24,864.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,975.40 : 59,915.10 = 16,589.80 : x
  2. Step 2: Convert to fraction form
    39,975.40/59,915.10 = 16,589.80/x
  3. Step 3: Cross multiply
    39,975.40x = 59,915.10 × 16,589.80
  4. Step 4: Simplify right side
    39,975.40x = 993,979,525.98
  5. Step 5: Solve for x
    x = 993,979,525.98/39,975.40
  6. Step 6: Final answer
    x = 24,864.78

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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.