Home / 31,582.78-43,583.95-17,435.32

Finding the Fourth Proportional to 31,582.78, 43,583.95 and 17,435.32

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Solution

The fourth proportional to 31,582.78, 43,583.95 and 17,435.32 is: 24,060.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,582.78 : 43,583.95 = 17,435.32 : x
  2. Step 2: Convert to fraction form
    31,582.78/43,583.95 = 17,435.32/x
  3. Step 3: Cross multiply
    31,582.78x = 43,583.95 × 17,435.32
  4. Step 4: Simplify right side
    31,582.78x = 759,900,115.11
  5. Step 5: Solve for x
    x = 759,900,115.11/31,582.78
  6. Step 6: Final answer
    x = 24,060.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.