Home / 55,491.75-76,578.62-30,341.25

Finding the Fourth Proportional to 55,491.75, 76,578.62 and 30,341.25

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Solution

The fourth proportional to 55,491.75, 76,578.62 and 30,341.25 is: 41,870.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,491.75 : 76,578.62 = 30,341.25 : x
  2. Step 2: Convert to fraction form
    55,491.75/76,578.62 = 30,341.25/x
  3. Step 3: Cross multiply
    55,491.75x = 76,578.62 × 30,341.25
  4. Step 4: Simplify right side
    55,491.75x = 2,323,490,902.37
  5. Step 5: Solve for x
    x = 2,323,490,902.37/55,491.75
  6. Step 6: Final answer
    x = 41,870.93

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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.