Home / 31,582.02-47,348.04-11,858.38

Finding the Fourth Proportional to 31,582.02, 47,348.04 and 11,858.38

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Solution

The fourth proportional to 31,582.02, 47,348.04 and 11,858.38 is: 17,778.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,582.02 : 47,348.04 = 11,858.38 : x
  2. Step 2: Convert to fraction form
    31,582.02/47,348.04 = 11,858.38/x
  3. Step 3: Cross multiply
    31,582.02x = 47,348.04 × 11,858.38
  4. Step 4: Simplify right side
    31,582.02x = 561,471,050.58
  5. Step 5: Solve for x
    x = 561,471,050.58/31,582.02
  6. Step 6: Final answer
    x = 17,778.19

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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.