Home / 30,057.89-41,453.57-19,437.17

Finding the Fourth Proportional to 30,057.89, 41,453.57 and 19,437.17

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Solution

The fourth proportional to 30,057.89, 41,453.57 and 19,437.17 is: 26,806.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,057.89 : 41,453.57 = 19,437.17 : x
  2. Step 2: Convert to fraction form
    30,057.89/41,453.57 = 19,437.17/x
  3. Step 3: Cross multiply
    30,057.89x = 41,453.57 × 19,437.17
  4. Step 4: Simplify right side
    30,057.89x = 805,739,928.52
  5. Step 5: Solve for x
    x = 805,739,928.52/30,057.89
  6. Step 6: Final answer
    x = 26,806.27

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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.