Home / 31,215.36-43,073.67-18,468.93

Finding the Fourth Proportional to 31,215.36, 43,073.67 and 18,468.93

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Solution

The fourth proportional to 31,215.36, 43,073.67 and 18,468.93 is: 25,485.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,215.36 : 43,073.67 = 18,468.93 : x
  2. Step 2: Convert to fraction form
    31,215.36/43,073.67 = 18,468.93/x
  3. Step 3: Cross multiply
    31,215.36x = 43,073.67 × 18,468.93
  4. Step 4: Simplify right side
    31,215.36x = 795,524,596.07
  5. Step 5: Solve for x
    x = 795,524,596.07/31,215.36
  6. Step 6: Final answer
    x = 25,485.04

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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.