Home / 32,854.78-49,284.80-13,122.51

Finding the Fourth Proportional to 32,854.78, 49,284.80 and 13,122.51

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Solution

The fourth proportional to 32,854.78, 49,284.80 and 13,122.51 is: 19,684.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,854.78 : 49,284.80 = 13,122.51 : x
  2. Step 2: Convert to fraction form
    32,854.78/49,284.80 = 13,122.51/x
  3. Step 3: Cross multiply
    32,854.78x = 49,284.80 × 13,122.51
  4. Step 4: Simplify right side
    32,854.78x = 646,740,280.85
  5. Step 5: Solve for x
    x = 646,740,280.85/32,854.78
  6. Step 6: Final answer
    x = 19,684.82

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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.