Home / 31,619.80-47,438.07-10,563.58

Finding the Fourth Proportional to 31,619.80, 47,438.07 and 10,563.58

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Solution

The fourth proportional to 31,619.80, 47,438.07 and 10,563.58 is: 15,848.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,619.80 : 47,438.07 = 10,563.58 : x
  2. Step 2: Convert to fraction form
    31,619.80/47,438.07 = 10,563.58/x
  3. Step 3: Cross multiply
    31,619.80x = 47,438.07 × 10,563.58
  4. Step 4: Simplify right side
    31,619.80x = 501,115,847.49
  5. Step 5: Solve for x
    x = 501,115,847.49/31,619.80
  6. Step 6: Final answer
    x = 15,848.17

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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.