Home / 31,643.93-47,473.10-16,845.05

Finding the Fourth Proportional to 31,643.93, 47,473.10 and 16,845.05

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Solution

The fourth proportional to 31,643.93, 47,473.10 and 16,845.05 is: 25,271.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,643.93 : 47,473.10 = 16,845.05 : x
  2. Step 2: Convert to fraction form
    31,643.93/47,473.10 = 16,845.05/x
  3. Step 3: Cross multiply
    31,643.93x = 47,473.10 × 16,845.05
  4. Step 4: Simplify right side
    31,643.93x = 799,686,658.93
  5. Step 5: Solve for x
    x = 799,686,658.93/31,643.93
  6. Step 6: Final answer
    x = 25,271.41

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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.