Home / 30,697.23-42,362.12-17,268.49

Finding the Fourth Proportional to 30,697.23, 42,362.12 and 17,268.49

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Solution

The fourth proportional to 30,697.23, 42,362.12 and 17,268.49 is: 23,830.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,697.23 : 42,362.12 = 17,268.49 : x
  2. Step 2: Convert to fraction form
    30,697.23/42,362.12 = 17,268.49/x
  3. Step 3: Cross multiply
    30,697.23x = 42,362.12 × 17,268.49
  4. Step 4: Simplify right side
    30,697.23x = 731,529,653.35
  5. Step 5: Solve for x
    x = 731,529,653.35/30,697.23
  6. Step 6: Final answer
    x = 23,830.47

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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.