Home / 46,721.16-70,078.86-19,018.44

Finding the Fourth Proportional to 46,721.16, 70,078.86 and 19,018.44

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Solution

The fourth proportional to 46,721.16, 70,078.86 and 19,018.44 is: 28,526.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,721.16 : 70,078.86 = 19,018.44 : x
  2. Step 2: Convert to fraction form
    46,721.16/70,078.86 = 19,018.44/x
  3. Step 3: Cross multiply
    46,721.16x = 70,078.86 × 19,018.44
  4. Step 4: Simplify right side
    46,721.16x = 1,332,790,594.18
  5. Step 5: Solve for x
    x = 1,332,790,594.18/46,721.16
  6. Step 6: Final answer
    x = 28,526.49

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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.