Home / 33,087.90-45,668.50-20,352.02

Finding the Fourth Proportional to 33,087.90, 45,668.50 and 20,352.02

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Solution

The fourth proportional to 33,087.90, 45,668.50 and 20,352.02 is: 28,090.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,087.90 : 45,668.50 = 20,352.02 : x
  2. Step 2: Convert to fraction form
    33,087.90/45,668.50 = 20,352.02/x
  3. Step 3: Cross multiply
    33,087.90x = 45,668.50 × 20,352.02
  4. Step 4: Simplify right side
    33,087.90x = 929,446,225.37
  5. Step 5: Solve for x
    x = 929,446,225.37/33,087.90
  6. Step 6: Final answer
    x = 28,090.22

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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.