Home / 31,548.26-43,448.01-30,859.35

Finding the Fourth Proportional to 31,548.26, 43,448.01 and 30,859.35

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Solution

The fourth proportional to 31,548.26, 43,448.01 and 30,859.35 is: 42,499.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,548.26 : 43,448.01 = 30,859.35 : x
  2. Step 2: Convert to fraction form
    31,548.26/43,448.01 = 30,859.35/x
  3. Step 3: Cross multiply
    31,548.26x = 43,448.01 × 30,859.35
  4. Step 4: Simplify right side
    31,548.26x = 1,340,777,231.67
  5. Step 5: Solve for x
    x = 1,340,777,231.67/31,548.26
  6. Step 6: Final answer
    x = 42,499.25

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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.