Home / 75,638.41-104,380.14-41,646.20

Finding the Fourth Proportional to 75,638.41, 104,380.14 and 41,646.20

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Solution

The fourth proportional to 75,638.41, 104,380.14 and 41,646.20 is: 57,471.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,638.41 : 104,380.14 = 41,646.20 : x
  2. Step 2: Convert to fraction form
    75,638.41/104,380.14 = 41,646.20/x
  3. Step 3: Cross multiply
    75,638.41x = 104,380.14 × 41,646.20
  4. Step 4: Simplify right side
    75,638.41x = 4,347,036,186.47
  5. Step 5: Solve for x
    x = 4,347,036,186.47/75,638.41
  6. Step 6: Final answer
    x = 57,471.28

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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.