Home / 48,297.06-72,431.55-18,708.30

Finding the Fourth Proportional to 48,297.06, 72,431.55 and 18,708.30

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Solution

The fourth proportional to 48,297.06, 72,431.55 and 18,708.30 is: 28,057.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,297.06 : 72,431.55 = 18,708.30 : x
  2. Step 2: Convert to fraction form
    48,297.06/72,431.55 = 18,708.30/x
  3. Step 3: Cross multiply
    48,297.06x = 72,431.55 × 18,708.30
  4. Step 4: Simplify right side
    48,297.06x = 1,355,071,166.87
  5. Step 5: Solve for x
    x = 1,355,071,166.87/48,297.06
  6. Step 6: Final answer
    x = 28,057.01

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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.