Home / 35,020.71-48,336.12-20,675.25

Finding the Fourth Proportional to 35,020.71, 48,336.12 and 20,675.25

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Solution

The fourth proportional to 35,020.71, 48,336.12 and 20,675.25 is: 28,536.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,020.71 : 48,336.12 = 20,675.25 : x
  2. Step 2: Convert to fraction form
    35,020.71/48,336.12 = 20,675.25/x
  3. Step 3: Cross multiply
    35,020.71x = 48,336.12 × 20,675.25
  4. Step 4: Simplify right side
    35,020.71x = 999,361,365.03
  5. Step 5: Solve for x
    x = 999,361,365.03/35,020.71
  6. Step 6: Final answer
    x = 28,536.30

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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.