Home / 31,485.56-43,450.36-17,338.50

Finding the Fourth Proportional to 31,485.56, 43,450.36 and 17,338.50

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Solution

The fourth proportional to 31,485.56, 43,450.36 and 17,338.50 is: 23,927.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,485.56 : 43,450.36 = 17,338.50 : x
  2. Step 2: Convert to fraction form
    31,485.56/43,450.36 = 17,338.50/x
  3. Step 3: Cross multiply
    31,485.56x = 43,450.36 × 17,338.50
  4. Step 4: Simplify right side
    31,485.56x = 753,364,023.51
  5. Step 5: Solve for x
    x = 753,364,023.51/31,485.56
  6. Step 6: Final answer
    x = 23,927.29

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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.