Home / 54,683.88-75,462.21-30,810.48

Finding the Fourth Proportional to 54,683.88, 75,462.21 and 30,810.48

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Solution

The fourth proportional to 54,683.88, 75,462.21 and 30,810.48 is: 42,517.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,683.88 : 75,462.21 = 30,810.48 : x
  2. Step 2: Convert to fraction form
    54,683.88/75,462.21 = 30,810.48/x
  3. Step 3: Cross multiply
    54,683.88x = 75,462.21 × 30,810.48
  4. Step 4: Simplify right side
    54,683.88x = 2,325,026,911.96
  5. Step 5: Solve for x
    x = 2,325,026,911.96/54,683.88
  6. Step 6: Final answer
    x = 42,517.59

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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.