Home / 39,066.02-53,911.14-21,161.06

Finding the Fourth Proportional to 39,066.02, 53,911.14 and 21,161.06

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Solution

The fourth proportional to 39,066.02, 53,911.14 and 21,161.06 is: 29,202.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,066.02 : 53,911.14 = 21,161.06 : x
  2. Step 2: Convert to fraction form
    39,066.02/53,911.14 = 21,161.06/x
  3. Step 3: Cross multiply
    39,066.02x = 53,911.14 × 21,161.06
  4. Step 4: Simplify right side
    39,066.02x = 1,140,816,868.21
  5. Step 5: Solve for x
    x = 1,140,816,868.21/39,066.02
  6. Step 6: Final answer
    x = 29,202.28

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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.