Home / 30,577.21-42,194.56-17,148.37

Finding the Fourth Proportional to 30,577.21, 42,194.56 and 17,148.37

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Solution

The fourth proportional to 30,577.21, 42,194.56 and 17,148.37 is: 23,663.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,577.21 : 42,194.56 = 17,148.37 : x
  2. Step 2: Convert to fraction form
    30,577.21/42,194.56 = 17,148.37/x
  3. Step 3: Cross multiply
    30,577.21x = 42,194.56 × 17,148.37
  4. Step 4: Simplify right side
    30,577.21x = 723,567,926.87
  5. Step 5: Solve for x
    x = 723,567,926.87/30,577.21
  6. Step 6: Final answer
    x = 23,663.63

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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.