Home / 31,364.06-43,273.98-18,606.60

Finding the Fourth Proportional to 31,364.06, 43,273.98 and 18,606.60

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Solution

The fourth proportional to 31,364.06, 43,273.98 and 18,606.60 is: 25,672.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,364.06 : 43,273.98 = 18,606.60 : x
  2. Step 2: Convert to fraction form
    31,364.06/43,273.98 = 18,606.60/x
  3. Step 3: Cross multiply
    31,364.06x = 43,273.98 × 18,606.60
  4. Step 4: Simplify right side
    31,364.06x = 805,181,636.27
  5. Step 5: Solve for x
    x = 805,181,636.27/31,364.06
  6. Step 6: Final answer
    x = 25,672.12

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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.