Home / 35,090.78-48,419.66-19,983.72

Finding the Fourth Proportional to 35,090.78, 48,419.66 and 19,983.72

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Solution

The fourth proportional to 35,090.78, 48,419.66 and 19,983.72 is: 27,574.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,090.78 : 48,419.66 = 19,983.72 : x
  2. Step 2: Convert to fraction form
    35,090.78/48,419.66 = 19,983.72/x
  3. Step 3: Cross multiply
    35,090.78x = 48,419.66 × 19,983.72
  4. Step 4: Simplify right side
    35,090.78x = 967,604,927.94
  5. Step 5: Solve for x
    x = 967,604,927.94/35,090.78
  6. Step 6: Final answer
    x = 27,574.34

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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.