Home / 30,284.57-41,774.99-19,681.26

Finding the Fourth Proportional to 30,284.57, 41,774.99 and 19,681.26

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Solution

The fourth proportional to 30,284.57, 41,774.99 and 19,681.26 is: 27,148.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,284.57 : 41,774.99 = 19,681.26 : x
  2. Step 2: Convert to fraction form
    30,284.57/41,774.99 = 19,681.26/x
  3. Step 3: Cross multiply
    30,284.57x = 41,774.99 × 19,681.26
  4. Step 4: Simplify right side
    30,284.57x = 822,184,341.28
  5. Step 5: Solve for x
    x = 822,184,341.28/30,284.57
  6. Step 6: Final answer
    x = 27,148.63

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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.