Home / 47,196.09-70,761.33-20,886.48

Finding the Fourth Proportional to 47,196.09, 70,761.33 and 20,886.48

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Solution

The fourth proportional to 47,196.09, 70,761.33 and 20,886.48 is: 31,315.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,196.09 : 70,761.33 = 20,886.48 : x
  2. Step 2: Convert to fraction form
    47,196.09/70,761.33 = 20,886.48/x
  3. Step 3: Cross multiply
    47,196.09x = 70,761.33 × 20,886.48
  4. Step 4: Simplify right side
    47,196.09x = 1,477,955,103.82
  5. Step 5: Solve for x
    x = 1,477,955,103.82/47,196.09
  6. Step 6: Final answer
    x = 31,315.20

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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.