Home / 31,313.88-46,987.02-13,798.44

Finding the Fourth Proportional to 31,313.88, 46,987.02 and 13,798.44

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Solution

The fourth proportional to 31,313.88, 46,987.02 and 13,798.44 is: 20,704.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,313.88 : 46,987.02 = 13,798.44 : x
  2. Step 2: Convert to fraction form
    31,313.88/46,987.02 = 13,798.44/x
  3. Step 3: Cross multiply
    31,313.88x = 46,987.02 × 13,798.44
  4. Step 4: Simplify right side
    31,313.88x = 648,347,576.25
  5. Step 5: Solve for x
    x = 648,347,576.25/31,313.88
  6. Step 6: Final answer
    x = 20,704.80

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1.5x scale

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.