Home / 31,897.13-47,829.60-18,574.43

Finding the Fourth Proportional to 31,897.13, 47,829.60 and 18,574.43

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Solution

The fourth proportional to 31,897.13, 47,829.60 and 18,574.43 is: 27,852.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,897.13 : 47,829.60 = 18,574.43 : x
  2. Step 2: Convert to fraction form
    31,897.13/47,829.60 = 18,574.43/x
  3. Step 3: Cross multiply
    31,897.13x = 47,829.60 × 18,574.43
  4. Step 4: Simplify right side
    31,897.13x = 888,407,317.98
  5. Step 5: Solve for x
    x = 888,407,317.98/31,897.13
  6. Step 6: Final answer
    x = 27,852.27

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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.