Home / 31,108.16-46,671.30-10,047.80

Finding the Fourth Proportional to 31,108.16, 46,671.30 and 10,047.80

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Solution

The fourth proportional to 31,108.16, 46,671.30 and 10,047.80 is: 15,074.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,108.16 : 46,671.30 = 10,047.80 : x
  2. Step 2: Convert to fraction form
    31,108.16/46,671.30 = 10,047.80/x
  3. Step 3: Cross multiply
    31,108.16x = 46,671.30 × 10,047.80
  4. Step 4: Simplify right side
    31,108.16x = 468,943,888.14
  5. Step 5: Solve for x
    x = 468,943,888.14/31,108.16
  6. Step 6: Final answer
    x = 15,074.63

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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.