Home / 30,944.16-42,696.72-19,009.44

Finding the Fourth Proportional to 30,944.16, 42,696.72 and 19,009.44

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Solution

The fourth proportional to 30,944.16, 42,696.72 and 19,009.44 is: 26,229.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,944.16 : 42,696.72 = 19,009.44 : x
  2. Step 2: Convert to fraction form
    30,944.16/42,696.72 = 19,009.44/x
  3. Step 3: Cross multiply
    30,944.16x = 42,696.72 × 19,009.44
  4. Step 4: Simplify right side
    30,944.16x = 811,640,737.04
  5. Step 5: Solve for x
    x = 811,640,737.04/30,944.16
  6. Step 6: Final answer
    x = 26,229.21

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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.