Home / 51,888.78-77,833.20-18,610.92

Finding the Fourth Proportional to 51,888.78, 77,833.20 and 18,610.92

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Solution

The fourth proportional to 51,888.78, 77,833.20 and 18,610.92 is: 27,916.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,888.78 : 77,833.20 = 18,610.92 : x
  2. Step 2: Convert to fraction form
    51,888.78/77,833.20 = 18,610.92/x
  3. Step 3: Cross multiply
    51,888.78x = 77,833.20 × 18,610.92
  4. Step 4: Simplify right side
    51,888.78x = 1,448,547,458.54
  5. Step 5: Solve for x
    x = 1,448,547,458.54/51,888.78
  6. Step 6: Final answer
    x = 27,916.39

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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.