Home / 33,010.08-45,554.88-20,432.32

Finding the Fourth Proportional to 33,010.08, 45,554.88 and 20,432.32

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Solution

The fourth proportional to 33,010.08, 45,554.88 and 20,432.32 is: 28,197.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,010.08 : 45,554.88 = 20,432.32 : x
  2. Step 2: Convert to fraction form
    33,010.08/45,554.88 = 20,432.32/x
  3. Step 3: Cross multiply
    33,010.08x = 45,554.88 × 20,432.32
  4. Step 4: Simplify right side
    33,010.08x = 930,791,885.72
  5. Step 5: Solve for x
    x = 930,791,885.72/33,010.08
  6. Step 6: Final answer
    x = 28,197.20

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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.