Home / 30,844.19-42,557.33-18,098.57

Finding the Fourth Proportional to 30,844.19, 42,557.33 and 18,098.57

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Solution

The fourth proportional to 30,844.19, 42,557.33 and 18,098.57 is: 24,971.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,844.19 : 42,557.33 = 18,098.57 : x
  2. Step 2: Convert to fraction form
    30,844.19/42,557.33 = 18,098.57/x
  3. Step 3: Cross multiply
    30,844.19x = 42,557.33 × 18,098.57
  4. Step 4: Simplify right side
    30,844.19x = 770,226,725.53
  5. Step 5: Solve for x
    x = 770,226,725.53/30,844.19
  6. Step 6: Final answer
    x = 24,971.53

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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.