Home / 69,420.04-104,046.59-31,928.45

Finding the Fourth Proportional to 69,420.04, 104,046.59 and 31,928.45

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Solution

The fourth proportional to 69,420.04, 104,046.59 and 31,928.45 is: 47,854.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,420.04 : 104,046.59 = 31,928.45 : x
  2. Step 2: Convert to fraction form
    69,420.04/104,046.59 = 31,928.45/x
  3. Step 3: Cross multiply
    69,420.04x = 104,046.59 × 31,928.45
  4. Step 4: Simplify right side
    69,420.04x = 3,322,045,906.07
  5. Step 5: Solve for x
    x = 3,322,045,906.07/69,420.04
  6. Step 6: Final answer
    x = 47,854.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.