Home / 49,386.61-74,081.99-15,651.89

Finding the Fourth Proportional to 49,386.61, 74,081.99 and 15,651.89

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Solution

The fourth proportional to 49,386.61, 74,081.99 and 15,651.89 is: 23,478.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,386.61 : 74,081.99 = 15,651.89 : x
  2. Step 2: Convert to fraction form
    49,386.61/74,081.99 = 15,651.89/x
  3. Step 3: Cross multiply
    49,386.61x = 74,081.99 × 15,651.89
  4. Step 4: Simplify right side
    49,386.61x = 1,159,523,324.10
  5. Step 5: Solve for x
    x = 1,159,523,324.10/49,386.61
  6. Step 6: Final answer
    x = 23,478.50

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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.