Home / 31,943.55-47,907.73-14,164.46

Finding the Fourth Proportional to 31,943.55, 47,907.73 and 14,164.46

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Solution

The fourth proportional to 31,943.55, 47,907.73 and 14,164.46 is: 21,243.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,943.55 : 47,907.73 = 14,164.46 : x
  2. Step 2: Convert to fraction form
    31,943.55/47,907.73 = 14,164.46/x
  3. Step 3: Cross multiply
    31,943.55x = 47,907.73 × 14,164.46
  4. Step 4: Simplify right side
    31,943.55x = 678,587,125.28
  5. Step 5: Solve for x
    x = 678,587,125.28/31,943.55
  6. Step 6: Final answer
    x = 21,243.32

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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.