Home / 33,101.64-45,681.27-18,761.10

Finding the Fourth Proportional to 33,101.64, 45,681.27 and 18,761.10

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Solution

The fourth proportional to 33,101.64, 45,681.27 and 18,761.10 is: 25,890.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,101.64 : 45,681.27 = 18,761.10 : x
  2. Step 2: Convert to fraction form
    33,101.64/45,681.27 = 18,761.10/x
  3. Step 3: Cross multiply
    33,101.64x = 45,681.27 × 18,761.10
  4. Step 4: Simplify right side
    33,101.64x = 857,030,874.60
  5. Step 5: Solve for x
    x = 857,030,874.60/33,101.64
  6. Step 6: Final answer
    x = 25,890.89

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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.