Home / 31,075.10-46,612.65-8,889.80

Finding the Fourth Proportional to 31,075.10, 46,612.65 and 8,889.80

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Solution

The fourth proportional to 31,075.10, 46,612.65 and 8,889.80 is: 13,334.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,075.10 : 46,612.65 = 8,889.80 : x
  2. Step 2: Convert to fraction form
    31,075.10/46,612.65 = 8,889.80/x
  3. Step 3: Cross multiply
    31,075.10x = 46,612.65 × 8,889.80
  4. Step 4: Simplify right side
    31,075.10x = 414,377,135.97
  5. Step 5: Solve for x
    x = 414,377,135.97/31,075.10
  6. Step 6: Final answer
    x = 13,334.70

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Similar ratio
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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.