Home / 35,880.08-49,514.70-21,722.84

Finding the Fourth Proportional to 35,880.08, 49,514.70 and 21,722.84

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Solution

The fourth proportional to 35,880.08, 49,514.70 and 21,722.84 is: 29,977.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,880.08 : 49,514.70 = 21,722.84 : x
  2. Step 2: Convert to fraction form
    35,880.08/49,514.70 = 21,722.84/x
  3. Step 3: Cross multiply
    35,880.08x = 49,514.70 × 21,722.84
  4. Step 4: Simplify right side
    35,880.08x = 1,075,599,905.75
  5. Step 5: Solve for x
    x = 1,075,599,905.75/35,880.08
  6. Step 6: Final answer
    x = 29,977.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.