Home / 31,739.37-47,615.73-12,017.49

Finding the Fourth Proportional to 31,739.37, 47,615.73 and 12,017.49

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Solution

The fourth proportional to 31,739.37, 47,615.73 and 12,017.49 is: 18,028.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,739.37 : 47,615.73 = 12,017.49 : x
  2. Step 2: Convert to fraction form
    31,739.37/47,615.73 = 12,017.49/x
  3. Step 3: Cross multiply
    31,739.37x = 47,615.73 × 12,017.49
  4. Step 4: Simplify right side
    31,739.37x = 572,221,559.12
  5. Step 5: Solve for x
    x = 572,221,559.12/31,739.37
  6. Step 6: Final answer
    x = 18,028.76

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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.