Home / 49,339.31-74,013.63-13,800.63

Finding the Fourth Proportional to 49,339.31, 74,013.63 and 13,800.63

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Solution

The fourth proportional to 49,339.31, 74,013.63 and 13,800.63 is: 20,702.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,339.31 : 74,013.63 = 13,800.63 : x
  2. Step 2: Convert to fraction form
    49,339.31/74,013.63 = 13,800.63/x
  3. Step 3: Cross multiply
    49,339.31x = 74,013.63 × 13,800.63
  4. Step 4: Simplify right side
    49,339.31x = 1,021,434,722.59
  5. Step 5: Solve for x
    x = 1,021,434,722.59/49,339.31
  6. Step 6: Final answer
    x = 20,702.25

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1.5x scale

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.