Home / 33,124.23-45,718.29-20,383.74

Finding the Fourth Proportional to 33,124.23, 45,718.29 and 20,383.74

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Solution

The fourth proportional to 33,124.23, 45,718.29 and 20,383.74 is: 28,133.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,124.23 : 45,718.29 = 20,383.74 : x
  2. Step 2: Convert to fraction form
    33,124.23/45,718.29 = 20,383.74/x
  3. Step 3: Cross multiply
    33,124.23x = 45,718.29 × 20,383.74
  4. Step 4: Simplify right side
    33,124.23x = 931,909,736.60
  5. Step 5: Solve for x
    x = 931,909,736.60/33,124.23
  6. Step 6: Final answer
    x = 28,133.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.