Home / 39,066.08-53,907.32-21,835.22

Finding the Fourth Proportional to 39,066.08, 53,907.32 and 21,835.22

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Solution

The fourth proportional to 39,066.08, 53,907.32 and 21,835.22 is: 30,130.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,066.08 : 53,907.32 = 21,835.22 : x
  2. Step 2: Convert to fraction form
    39,066.08/53,907.32 = 21,835.22/x
  3. Step 3: Cross multiply
    39,066.08x = 53,907.32 × 21,835.22
  4. Step 4: Simplify right side
    39,066.08x = 1,177,078,191.81
  5. Step 5: Solve for x
    x = 1,177,078,191.81/39,066.08
  6. Step 6: Final answer
    x = 30,130.44

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Double scale
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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.