Home / 54,525.63-81,754.95-21,206.86

Finding the Fourth Proportional to 54,525.63, 81,754.95 and 21,206.86

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Solution

The fourth proportional to 54,525.63, 81,754.95 and 21,206.86 is: 31,797.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,525.63 : 81,754.95 = 21,206.86 : x
  2. Step 2: Convert to fraction form
    54,525.63/81,754.95 = 21,206.86/x
  3. Step 3: Cross multiply
    54,525.63x = 81,754.95 × 21,206.86
  4. Step 4: Simplify right side
    54,525.63x = 1,733,765,574.57
  5. Step 5: Solve for x
    x = 1,733,765,574.57/54,525.63
  6. Step 6: Final answer
    x = 31,797.26

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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.