Home / 31,559.64-43,533.09-18,804.44

Finding the Fourth Proportional to 31,559.64, 43,533.09 and 18,804.44

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Solution

The fourth proportional to 31,559.64, 43,533.09 and 18,804.44 is: 25,938.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,559.64 : 43,533.09 = 18,804.44 : x
  2. Step 2: Convert to fraction form
    31,559.64/43,533.09 = 18,804.44/x
  3. Step 3: Cross multiply
    31,559.64x = 43,533.09 × 18,804.44
  4. Step 4: Simplify right side
    31,559.64x = 818,615,161.25
  5. Step 5: Solve for x
    x = 818,615,161.25/31,559.64
  6. Step 6: Final answer
    x = 25,938.67

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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.