Home / 31,018.98-46,527.84-7,645.62

Finding the Fourth Proportional to 31,018.98, 46,527.84 and 7,645.62

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Solution

The fourth proportional to 31,018.98, 46,527.84 and 7,645.62 is: 11,468.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,018.98 : 46,527.84 = 7,645.62 : x
  2. Step 2: Convert to fraction form
    31,018.98/46,527.84 = 7,645.62/x
  3. Step 3: Cross multiply
    31,018.98x = 46,527.84 × 7,645.62
  4. Step 4: Simplify right side
    31,018.98x = 355,734,184.06
  5. Step 5: Solve for x
    x = 355,734,184.06/31,018.98
  6. Step 6: Final answer
    x = 11,468.27

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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.