Home / 35,634.07-49,176.04-19,720.00

Finding the Fourth Proportional to 35,634.07, 49,176.04 and 19,720.00

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Solution

The fourth proportional to 35,634.07, 49,176.04 and 19,720.00 is: 27,214.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,634.07 : 49,176.04 = 19,720.00 : x
  2. Step 2: Convert to fraction form
    35,634.07/49,176.04 = 19,720.00/x
  3. Step 3: Cross multiply
    35,634.07x = 49,176.04 × 19,720.00
  4. Step 4: Simplify right side
    35,634.07x = 969,751,287.26
  5. Step 5: Solve for x
    x = 969,751,287.26/35,634.07
  6. Step 6: Final answer
    x = 27,214.16

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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.