Home / 45,911.56-63,348.33-30,019.36

Finding the Fourth Proportional to 45,911.56, 63,348.33 and 30,019.36

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Solution

The fourth proportional to 45,911.56, 63,348.33 and 30,019.36 is: 41,420.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,911.56 : 63,348.33 = 30,019.36 : x
  2. Step 2: Convert to fraction form
    45,911.56/63,348.33 = 30,019.36/x
  3. Step 3: Cross multiply
    45,911.56x = 63,348.33 × 30,019.36
  4. Step 4: Simplify right side
    45,911.56x = 1,901,676,323.67
  5. Step 5: Solve for x
    x = 1,901,676,323.67/45,911.56
  6. Step 6: Final answer
    x = 41,420.42

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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.