Home / 39,066.70-53,908.19-21,835.84

Finding the Fourth Proportional to 39,066.70, 53,908.19 and 21,835.84

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Solution

The fourth proportional to 39,066.70, 53,908.19 and 21,835.84 is: 30,131.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,066.70 : 53,908.19 = 21,835.84 : x
  2. Step 2: Convert to fraction form
    39,066.70/53,908.19 = 21,835.84/x
  3. Step 3: Cross multiply
    39,066.70x = 53,908.19 × 21,835.84
  4. Step 4: Simplify right side
    39,066.70x = 1,177,130,502.35
  5. Step 5: Solve for x
    x = 1,177,130,502.35/39,066.70
  6. Step 6: Final answer
    x = 30,131.30

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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.