Home / 33,041.80-45,583.86-20,457.64

Finding the Fourth Proportional to 33,041.80, 45,583.86 and 20,457.64

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Solution

The fourth proportional to 33,041.80, 45,583.86 and 20,457.64 is: 28,222.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,041.80 : 45,583.86 = 20,457.64 : x
  2. Step 2: Convert to fraction form
    33,041.80/45,583.86 = 20,457.64/x
  3. Step 3: Cross multiply
    33,041.80x = 45,583.86 × 20,457.64
  4. Step 4: Simplify right side
    33,041.80x = 932,538,197.69
  5. Step 5: Solve for x
    x = 932,538,197.69/33,041.80
  6. Step 6: Final answer
    x = 28,222.98

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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.