Home / 48,597.82-72,883.65-20,518.06

Finding the Fourth Proportional to 48,597.82, 72,883.65 and 20,518.06

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Solution

The fourth proportional to 48,597.82, 72,883.65 and 20,518.06 is: 30,771.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,597.82 : 72,883.65 = 20,518.06 : x
  2. Step 2: Convert to fraction form
    48,597.82/72,883.65 = 20,518.06/x
  3. Step 3: Cross multiply
    48,597.82x = 72,883.65 × 20,518.06
  4. Step 4: Simplify right side
    48,597.82x = 1,495,431,103.72
  5. Step 5: Solve for x
    x = 1,495,431,103.72/48,597.82
  6. Step 6: Final answer
    x = 30,771.57

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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.