Home / 39,066.45-53,907.84-21,835.59

Finding the Fourth Proportional to 39,066.45, 53,907.84 and 21,835.59

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Solution

The fourth proportional to 39,066.45, 53,907.84 and 21,835.59 is: 30,130.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,066.45 : 53,907.84 = 21,835.59 : x
  2. Step 2: Convert to fraction form
    39,066.45/53,907.84 = 21,835.59/x
  3. Step 3: Cross multiply
    39,066.45x = 53,907.84 × 21,835.59
  4. Step 4: Simplify right side
    39,066.45x = 1,177,109,492.03
  5. Step 5: Solve for x
    x = 1,177,109,492.03/39,066.45
  6. Step 6: Final answer
    x = 30,130.96

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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.