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Finding the Fourth Proportional to 55,491.74, 83,228.48 and 23,893.28

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Solution

The fourth proportional to 55,491.74, 83,228.48 and 23,893.28 is: 35,835.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,491.74 : 83,228.48 = 23,893.28 : x
  2. Step 2: Convert to fraction form
    55,491.74/83,228.48 = 23,893.28/x
  3. Step 3: Cross multiply
    55,491.74x = 83,228.48 × 23,893.28
  4. Step 4: Simplify right side
    55,491.74x = 1,988,601,376.61
  5. Step 5: Solve for x
    x = 1,988,601,376.61/55,491.74
  6. Step 6: Final answer
    x = 35,835.99

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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.