Home / 31,411.48-46,997.88-19,360.48

Finding the Fourth Proportional to 31,411.48, 46,997.88 and 19,360.48

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Solution

The fourth proportional to 31,411.48, 46,997.88 and 19,360.48 is: 28,967.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,411.48 : 46,997.88 = 19,360.48 : x
  2. Step 2: Convert to fraction form
    31,411.48/46,997.88 = 19,360.48/x
  3. Step 3: Cross multiply
    31,411.48x = 46,997.88 × 19,360.48
  4. Step 4: Simplify right side
    31,411.48x = 909,901,515.78
  5. Step 5: Solve for x
    x = 909,901,515.78/31,411.48
  6. Step 6: Final answer
    x = 28,967.16

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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.