Home / 53,121.09-73,311.38-30,462.18

Finding the Fourth Proportional to 53,121.09, 73,311.38 and 30,462.18

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Solution

The fourth proportional to 53,121.09, 73,311.38 and 30,462.18 is: 42,040.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,121.09 : 73,311.38 = 30,462.18 : x
  2. Step 2: Convert to fraction form
    53,121.09/73,311.38 = 30,462.18/x
  3. Step 3: Cross multiply
    53,121.09x = 73,311.38 × 30,462.18
  4. Step 4: Simplify right side
    53,121.09x = 2,233,224,453.61
  5. Step 5: Solve for x
    x = 2,233,224,453.61/53,121.09
  6. Step 6: Final answer
    x = 42,040.26

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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.