Home / 31,647.60-43,702.68-25,405.68

Finding the Fourth Proportional to 31,647.60, 43,702.68 and 25,405.68

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Solution

The fourth proportional to 31,647.60, 43,702.68 and 25,405.68 is: 35,083.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,647.60 : 43,702.68 = 25,405.68 : x
  2. Step 2: Convert to fraction form
    31,647.60/43,702.68 = 25,405.68/x
  3. Step 3: Cross multiply
    31,647.60x = 43,702.68 × 25,405.68
  4. Step 4: Simplify right side
    31,647.60x = 1,110,296,303.22
  5. Step 5: Solve for x
    x = 1,110,296,303.22/31,647.60
  6. Step 6: Final answer
    x = 35,083.11

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1.5x scale

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.