Home / 48,485.14-72,727.59-13,424.68

Finding the Fourth Proportional to 48,485.14, 72,727.59 and 13,424.68

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Solution

The fourth proportional to 48,485.14, 72,727.59 and 13,424.68 is: 20,136.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,485.14 : 72,727.59 = 13,424.68 : x
  2. Step 2: Convert to fraction form
    48,485.14/72,727.59 = 13,424.68/x
  3. Step 3: Cross multiply
    48,485.14x = 72,727.59 × 13,424.68
  4. Step 4: Simplify right side
    48,485.14x = 976,344,622.92
  5. Step 5: Solve for x
    x = 976,344,622.92/48,485.14
  6. Step 6: Final answer
    x = 20,136.99

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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.