Home / 30,243.19-41,740.77-19,485.04

Finding the Fourth Proportional to 30,243.19, 41,740.77 and 19,485.04

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Solution

The fourth proportional to 30,243.19, 41,740.77 and 19,485.04 is: 26,892.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,243.19 : 41,740.77 = 19,485.04 : x
  2. Step 2: Convert to fraction form
    30,243.19/41,740.77 = 19,485.04/x
  3. Step 3: Cross multiply
    30,243.19x = 41,740.77 × 19,485.04
  4. Step 4: Simplify right side
    30,243.19x = 813,320,573.08
  5. Step 5: Solve for x
    x = 813,320,573.08/30,243.19
  6. Step 6: Final answer
    x = 26,892.68

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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.