Home / 34,724.89-47,928.21-19,626.31

Finding the Fourth Proportional to 34,724.89, 47,928.21 and 19,626.31

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Solution

The fourth proportional to 34,724.89, 47,928.21 and 19,626.31 is: 27,088.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,724.89 : 47,928.21 = 19,626.31 : x
  2. Step 2: Convert to fraction form
    34,724.89/47,928.21 = 19,626.31/x
  3. Step 3: Cross multiply
    34,724.89x = 47,928.21 × 19,626.31
  4. Step 4: Simplify right side
    34,724.89x = 940,653,907.21
  5. Step 5: Solve for x
    x = 940,653,907.21/34,724.89
  6. Step 6: Final answer
    x = 27,088.75

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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.