Home / 30,446.64-42,004.22-19,112.32

Finding the Fourth Proportional to 30,446.64, 42,004.22 and 19,112.32

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Solution

The fourth proportional to 30,446.64, 42,004.22 and 19,112.32 is: 26,367.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,446.64 : 42,004.22 = 19,112.32 : x
  2. Step 2: Convert to fraction form
    30,446.64/42,004.22 = 19,112.32/x
  3. Step 3: Cross multiply
    30,446.64x = 42,004.22 × 19,112.32
  4. Step 4: Simplify right side
    30,446.64x = 802,798,093.99
  5. Step 5: Solve for x
    x = 802,798,093.99/30,446.64
  6. Step 6: Final answer
    x = 26,367.38

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Double scale
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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.