Home / 31,526.44-43,498.82-18,771.45

Finding the Fourth Proportional to 31,526.44, 43,498.82 and 18,771.45

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Solution

The fourth proportional to 31,526.44, 43,498.82 and 18,771.45 is: 25,900.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,526.44 : 43,498.82 = 18,771.45 : x
  2. Step 2: Convert to fraction form
    31,526.44/43,498.82 = 18,771.45/x
  3. Step 3: Cross multiply
    31,526.44x = 43,498.82 × 18,771.45
  4. Step 4: Simplify right side
    31,526.44x = 816,535,808.50
  5. Step 5: Solve for x
    x = 816,535,808.50/31,526.44
  6. Step 6: Final answer
    x = 25,900.03

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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.