Home / 36,030.84-49,720.48-20,116.30

Finding the Fourth Proportional to 36,030.84, 49,720.48 and 20,116.30

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Solution

The fourth proportional to 36,030.84, 49,720.48 and 20,116.30 is: 27,759.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,030.84 : 49,720.48 = 20,116.30 : x
  2. Step 2: Convert to fraction form
    36,030.84/49,720.48 = 20,116.30/x
  3. Step 3: Cross multiply
    36,030.84x = 49,720.48 × 20,116.30
  4. Step 4: Simplify right side
    36,030.84x = 1,000,192,091.82
  5. Step 5: Solve for x
    x = 1,000,192,091.82/36,030.84
  6. Step 6: Final answer
    x = 27,759.33

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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.