Home / 31,253.03-43,130.22-17,105.87

Finding the Fourth Proportional to 31,253.03, 43,130.22 and 17,105.87

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Solution

The fourth proportional to 31,253.03, 43,130.22 and 17,105.87 is: 23,606.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,253.03 : 43,130.22 = 17,105.87 : x
  2. Step 2: Convert to fraction form
    31,253.03/43,130.22 = 17,105.87/x
  3. Step 3: Cross multiply
    31,253.03x = 43,130.22 × 17,105.87
  4. Step 4: Simplify right side
    31,253.03x = 737,779,850.86
  5. Step 5: Solve for x
    x = 737,779,850.86/31,253.03
  6. Step 6: Final answer
    x = 23,606.67

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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.