Home / 48,940.13-73,410.21-21,238.13

Finding the Fourth Proportional to 48,940.13, 73,410.21 and 21,238.13

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Solution

The fourth proportional to 48,940.13, 73,410.21 and 21,238.13 is: 31,857.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,940.13 : 73,410.21 = 21,238.13 : x
  2. Step 2: Convert to fraction form
    48,940.13/73,410.21 = 21,238.13/x
  3. Step 3: Cross multiply
    48,940.13x = 73,410.21 × 21,238.13
  4. Step 4: Simplify right side
    48,940.13x = 1,559,095,216.26
  5. Step 5: Solve for x
    x = 1,559,095,216.26/48,940.13
  6. Step 6: Final answer
    x = 31,857.20

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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.