Home / 48,642.08-72,966.88-18,670.73

Finding the Fourth Proportional to 48,642.08, 72,966.88 and 18,670.73

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Solution

The fourth proportional to 48,642.08, 72,966.88 and 18,670.73 is: 28,007.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,642.08 : 72,966.88 = 18,670.73 : x
  2. Step 2: Convert to fraction form
    48,642.08/72,966.88 = 18,670.73/x
  3. Step 3: Cross multiply
    48,642.08x = 72,966.88 × 18,670.73
  4. Step 4: Simplify right side
    48,642.08x = 1,362,344,915.42
  5. Step 5: Solve for x
    x = 1,362,344,915.42/48,642.08
  6. Step 6: Final answer
    x = 28,007.54

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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.