Home / 58,815.78-88,237.32-19,371.48

Finding the Fourth Proportional to 58,815.78, 88,237.32 and 19,371.48

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Solution

The fourth proportional to 58,815.78, 88,237.32 and 19,371.48 is: 29,061.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,815.78 : 88,237.32 = 19,371.48 : x
  2. Step 2: Convert to fraction form
    58,815.78/88,237.32 = 19,371.48/x
  3. Step 3: Cross multiply
    58,815.78x = 88,237.32 × 19,371.48
  4. Step 4: Simplify right side
    58,815.78x = 1,709,287,479.63
  5. Step 5: Solve for x
    x = 1,709,287,479.63/58,815.78
  6. Step 6: Final answer
    x = 29,061.72

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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.