Home / 48,493.58-72,638.85-39,080.30

Finding the Fourth Proportional to 48,493.58, 72,638.85 and 39,080.30

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Solution

The fourth proportional to 48,493.58, 72,638.85 and 39,080.30 is: 58,538.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,493.58 : 72,638.85 = 39,080.30 : x
  2. Step 2: Convert to fraction form
    48,493.58/72,638.85 = 39,080.30/x
  3. Step 3: Cross multiply
    48,493.58x = 72,638.85 × 39,080.30
  4. Step 4: Simplify right side
    48,493.58x = 2,838,748,049.66
  5. Step 5: Solve for x
    x = 2,838,748,049.66/48,493.58
  6. Step 6: Final answer
    x = 58,538.64

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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.