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Finding the Fourth Proportional to 49,238.37, 73,866.74 and 15,955.47

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Solution

The fourth proportional to 49,238.37, 73,866.74 and 15,955.47 is: 23,936.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,238.37 : 73,866.74 = 15,955.47 : x
  2. Step 2: Convert to fraction form
    49,238.37/73,866.74 = 15,955.47/x
  3. Step 3: Cross multiply
    49,238.37x = 73,866.74 × 15,955.47
  4. Step 4: Simplify right side
    49,238.37x = 1,178,578,474.29
  5. Step 5: Solve for x
    x = 1,178,578,474.29/49,238.37
  6. Step 6: Final answer
    x = 23,936.18

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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.