Home / 35,454.61-48,929.68-20,352.16

Finding the Fourth Proportional to 35,454.61, 48,929.68 and 20,352.16

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Solution

The fourth proportional to 35,454.61, 48,929.68 and 20,352.16 is: 28,087.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,454.61 : 48,929.68 = 20,352.16 : x
  2. Step 2: Convert to fraction form
    35,454.61/48,929.68 = 20,352.16/x
  3. Step 3: Cross multiply
    35,454.61x = 48,929.68 × 20,352.16
  4. Step 4: Simplify right side
    35,454.61x = 995,824,747.55
  5. Step 5: Solve for x
    x = 995,824,747.55/35,454.61
  6. Step 6: Final answer
    x = 28,087.31

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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.