Home / 23,043.55-31,797.63-12,971.81

Finding the Fourth Proportional to 23,043.55, 31,797.63 and 12,971.81

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Solution

The fourth proportional to 23,043.55, 31,797.63 and 12,971.81 is: 17,899.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,043.55 : 31,797.63 = 12,971.81 : x
  2. Step 2: Convert to fraction form
    23,043.55/31,797.63 = 12,971.81/x
  3. Step 3: Cross multiply
    23,043.55x = 31,797.63 × 12,971.81
  4. Step 4: Simplify right side
    23,043.55x = 412,472,814.81
  5. Step 5: Solve for x
    x = 412,472,814.81/23,043.55
  6. Step 6: Final answer
    x = 17,899.71

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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.