Home / 30,773.09-42,470.06-18,844.35

Finding the Fourth Proportional to 30,773.09, 42,470.06 and 18,844.35

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Solution

The fourth proportional to 30,773.09, 42,470.06 and 18,844.35 is: 26,007.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,773.09 : 42,470.06 = 18,844.35 : x
  2. Step 2: Convert to fraction form
    30,773.09/42,470.06 = 18,844.35/x
  3. Step 3: Cross multiply
    30,773.09x = 42,470.06 × 18,844.35
  4. Step 4: Simplify right side
    30,773.09x = 800,320,580.94
  5. Step 5: Solve for x
    x = 800,320,580.94/30,773.09
  6. Step 6: Final answer
    x = 26,007.16

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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.