Home / 35,167.60-48,523.54-20,820.31

Finding the Fourth Proportional to 35,167.60, 48,523.54 and 20,820.31

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Solution

The fourth proportional to 35,167.60, 48,523.54 and 20,820.31 is: 28,727.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,167.60 : 48,523.54 = 20,820.31 : x
  2. Step 2: Convert to fraction form
    35,167.60/48,523.54 = 20,820.31/x
  3. Step 3: Cross multiply
    35,167.60x = 48,523.54 × 20,820.31
  4. Step 4: Simplify right side
    35,167.60x = 1,010,274,971.74
  5. Step 5: Solve for x
    x = 1,010,274,971.74/35,167.60
  6. Step 6: Final answer
    x = 28,727.44

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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.