Home / 51,916.08-77,827.40-18,628.36

Finding the Fourth Proportional to 51,916.08, 77,827.40 and 18,628.36

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Solution

The fourth proportional to 51,916.08, 77,827.40 and 18,628.36 is: 27,925.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,916.08 : 77,827.40 = 18,628.36 : x
  2. Step 2: Convert to fraction form
    51,916.08/77,827.40 = 18,628.36/x
  3. Step 3: Cross multiply
    51,916.08x = 77,827.40 × 18,628.36
  4. Step 4: Simplify right side
    51,916.08x = 1,449,796,825.06
  5. Step 5: Solve for x
    x = 1,449,796,825.06/51,916.08
  6. Step 6: Final answer
    x = 27,925.78

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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.