Home / 30,697.48-42,362.10-17,268.73

Finding the Fourth Proportional to 30,697.48, 42,362.10 and 17,268.73

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Solution

The fourth proportional to 30,697.48, 42,362.10 and 17,268.73 is: 23,830.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,697.48 : 42,362.10 = 17,268.73 : x
  2. Step 2: Convert to fraction form
    30,697.48/42,362.10 = 17,268.73/x
  3. Step 3: Cross multiply
    30,697.48x = 42,362.10 × 17,268.73
  4. Step 4: Simplify right side
    30,697.48x = 731,539,667.13
  5. Step 5: Solve for x
    x = 731,539,667.13/30,697.48
  6. Step 6: Final answer
    x = 23,830.61

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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.