Home / 57,021.07-78,685.91-31,525.95

Finding the Fourth Proportional to 57,021.07, 78,685.91 and 31,525.95

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Solution

The fourth proportional to 57,021.07, 78,685.91 and 31,525.95 is: 43,504.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,021.07 : 78,685.91 = 31,525.95 : x
  2. Step 2: Convert to fraction form
    57,021.07/78,685.91 = 31,525.95/x
  3. Step 3: Cross multiply
    57,021.07x = 78,685.91 × 31,525.95
  4. Step 4: Simplify right side
    57,021.07x = 2,480,647,729.88
  5. Step 5: Solve for x
    x = 2,480,647,729.88/57,021.07
  6. Step 6: Final answer
    x = 43,504.06

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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.