Home / 35,680.88-53,503.68-20,893.52

Finding the Fourth Proportional to 35,680.88, 53,503.68 and 20,893.52

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Solution

The fourth proportional to 35,680.88, 53,503.68 and 20,893.52 is: 31,329.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,680.88 : 53,503.68 = 20,893.52 : x
  2. Step 2: Convert to fraction form
    35,680.88/53,503.68 = 20,893.52/x
  3. Step 3: Cross multiply
    35,680.88x = 53,503.68 × 20,893.52
  4. Step 4: Simplify right side
    35,680.88x = 1,117,880,208.15
  5. Step 5: Solve for x
    x = 1,117,880,208.15/35,680.88
  6. Step 6: Final answer
    x = 31,329.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.