Home / 35,686.86-49,244.26-19,768.34

Finding the Fourth Proportional to 35,686.86, 49,244.26 and 19,768.34

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Solution

The fourth proportional to 35,686.86, 49,244.26 and 19,768.34 is: 27,278.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,686.86 : 49,244.26 = 19,768.34 : x
  2. Step 2: Convert to fraction form
    35,686.86/49,244.26 = 19,768.34/x
  3. Step 3: Cross multiply
    35,686.86x = 49,244.26 × 19,768.34
  4. Step 4: Simplify right side
    35,686.86x = 973,477,274.73
  5. Step 5: Solve for x
    x = 973,477,274.73/35,686.86
  6. Step 6: Final answer
    x = 27,278.31

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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.