Home / 53,018.75-73,161.70-30,352.32

Finding the Fourth Proportional to 53,018.75, 73,161.70 and 30,352.32

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Solution

The fourth proportional to 53,018.75, 73,161.70 and 30,352.32 is: 41,883.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,018.75 : 73,161.70 = 30,352.32 : x
  2. Step 2: Convert to fraction form
    53,018.75/73,161.70 = 30,352.32/x
  3. Step 3: Cross multiply
    53,018.75x = 73,161.70 × 30,352.32
  4. Step 4: Simplify right side
    53,018.75x = 2,220,627,254.26
  5. Step 5: Solve for x
    x = 2,220,627,254.26/53,018.75
  6. Step 6: Final answer
    x = 41,883.81

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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.