Home / 31,224.84-43,075.17-18,474.54

Finding the Fourth Proportional to 31,224.84, 43,075.17 and 18,474.54

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Solution

The fourth proportional to 31,224.84, 43,075.17 and 18,474.54 is: 25,485.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,224.84 : 43,075.17 = 18,474.54 : x
  2. Step 2: Convert to fraction form
    31,224.84/43,075.17 = 18,474.54/x
  3. Step 3: Cross multiply
    31,224.84x = 43,075.17 × 18,474.54
  4. Step 4: Simplify right side
    31,224.84x = 795,793,951.17
  5. Step 5: Solve for x
    x = 795,793,951.17/31,224.84
  6. Step 6: Final answer
    x = 25,485.93

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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.