Home / 35,023.12-48,347.42-20,880.88

Finding the Fourth Proportional to 35,023.12, 48,347.42 and 20,880.88

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Solution

The fourth proportional to 35,023.12, 48,347.42 and 20,880.88 is: 28,824.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,023.12 : 48,347.42 = 20,880.88 : x
  2. Step 2: Convert to fraction form
    35,023.12/48,347.42 = 20,880.88/x
  3. Step 3: Cross multiply
    35,023.12x = 48,347.42 × 20,880.88
  4. Step 4: Simplify right side
    35,023.12x = 1,009,536,675.33
  5. Step 5: Solve for x
    x = 1,009,536,675.33/35,023.12
  6. Step 6: Final answer
    x = 28,824.86

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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.