Home / 55,075.22-82,612.67-15,632.37

Finding the Fourth Proportional to 55,075.22, 82,612.67 and 15,632.37

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Solution

The fourth proportional to 55,075.22, 82,612.67 and 15,632.37 is: 23,448.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,075.22 : 82,612.67 = 15,632.37 : x
  2. Step 2: Convert to fraction form
    55,075.22/82,612.67 = 15,632.37/x
  3. Step 3: Cross multiply
    55,075.22x = 82,612.67 × 15,632.37
  4. Step 4: Simplify right side
    55,075.22x = 1,291,431,824.13
  5. Step 5: Solve for x
    x = 1,291,431,824.13/55,075.22
  6. Step 6: Final answer
    x = 23,448.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.