Home / 48,600.82-72,888.14-20,521.06

Finding the Fourth Proportional to 48,600.82, 72,888.14 and 20,521.06

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Solution

The fourth proportional to 48,600.82, 72,888.14 and 20,521.06 is: 30,776.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,600.82 : 72,888.14 = 20,521.06 : x
  2. Step 2: Convert to fraction form
    48,600.82/72,888.14 = 20,521.06/x
  3. Step 3: Cross multiply
    48,600.82x = 72,888.14 × 20,521.06
  4. Step 4: Simplify right side
    48,600.82x = 1,495,741,894.23
  5. Step 5: Solve for x
    x = 1,495,741,894.23/48,600.82
  6. Step 6: Final answer
    x = 30,776.06

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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.