Home / 30,049.21-41,430.23-19,275.10

Finding the Fourth Proportional to 30,049.21, 41,430.23 and 19,275.10

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Solution

The fourth proportional to 30,049.21, 41,430.23 and 19,275.10 is: 26,575.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,049.21 : 41,430.23 = 19,275.10 : x
  2. Step 2: Convert to fraction form
    30,049.21/41,430.23 = 19,275.10/x
  3. Step 3: Cross multiply
    30,049.21x = 41,430.23 × 19,275.10
  4. Step 4: Simplify right side
    30,049.21x = 798,571,826.27
  5. Step 5: Solve for x
    x = 798,571,826.27/30,049.21
  6. Step 6: Final answer
    x = 26,575.47

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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.