Home / 31,916.94-47,897.28-11,140.44

Finding the Fourth Proportional to 31,916.94, 47,897.28 and 11,140.44

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Solution

The fourth proportional to 31,916.94, 47,897.28 and 11,140.44 is: 16,718.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,916.94 : 47,897.28 = 11,140.44 : x
  2. Step 2: Convert to fraction form
    31,916.94/47,897.28 = 11,140.44/x
  3. Step 3: Cross multiply
    31,916.94x = 47,897.28 × 11,140.44
  4. Step 4: Simplify right side
    31,916.94x = 533,596,774.00
  5. Step 5: Solve for x
    x = 533,596,774.00/31,916.94
  6. Step 6: Final answer
    x = 16,718.29

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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.