Home / 35,796.12-49,392.70-20,690.17

Finding the Fourth Proportional to 35,796.12, 49,392.70 and 20,690.17

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Solution

The fourth proportional to 35,796.12, 49,392.70 and 20,690.17 is: 28,549.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,796.12 : 49,392.70 = 20,690.17 : x
  2. Step 2: Convert to fraction form
    35,796.12/49,392.70 = 20,690.17/x
  3. Step 3: Cross multiply
    35,796.12x = 49,392.70 × 20,690.17
  4. Step 4: Simplify right side
    35,796.12x = 1,021,943,431.52
  5. Step 5: Solve for x
    x = 1,021,943,431.52/35,796.12
  6. Step 6: Final answer
    x = 28,549.00

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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.