Home / 31,297.32-46,949.76-10,521.36

Finding the Fourth Proportional to 31,297.32, 46,949.76 and 10,521.36

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Solution

The fourth proportional to 31,297.32, 46,949.76 and 10,521.36 is: 15,783.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,297.32 : 46,949.76 = 10,521.36 : x
  2. Step 2: Convert to fraction form
    31,297.32/46,949.76 = 10,521.36/x
  3. Step 3: Cross multiply
    31,297.32x = 46,949.76 × 10,521.36
  4. Step 4: Simplify right side
    31,297.32x = 493,975,326.87
  5. Step 5: Solve for x
    x = 493,975,326.87/31,297.32
  6. Step 6: Final answer
    x = 15,783.31

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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.