Home / 35,556.08-49,066.36-19,640.16

Finding the Fourth Proportional to 35,556.08, 49,066.36 and 19,640.16

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Solution

The fourth proportional to 35,556.08, 49,066.36 and 19,640.16 is: 27,102.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,556.08 : 49,066.36 = 19,640.16 : x
  2. Step 2: Convert to fraction form
    35,556.08/49,066.36 = 19,640.16/x
  3. Step 3: Cross multiply
    35,556.08x = 49,066.36 × 19,640.16
  4. Step 4: Simplify right side
    35,556.08x = 963,671,161.02
  5. Step 5: Solve for x
    x = 963,671,161.02/35,556.08
  6. Step 6: Final answer
    x = 27,102.85

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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.