Home / 30,901.47-46,354.05-8,716.74

Finding the Fourth Proportional to 30,901.47, 46,354.05 and 8,716.74

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Solution

The fourth proportional to 30,901.47, 46,354.05 and 8,716.74 is: 13,075.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,901.47 : 46,354.05 = 8,716.74 : x
  2. Step 2: Convert to fraction form
    30,901.47/46,354.05 = 8,716.74/x
  3. Step 3: Cross multiply
    30,901.47x = 46,354.05 × 8,716.74
  4. Step 4: Simplify right side
    30,901.47x = 404,056,201.80
  5. Step 5: Solve for x
    x = 404,056,201.80/30,901.47
  6. Step 6: Final answer
    x = 13,075.63

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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.