Home / 31,465.44-43,421.40-17,317.98

Finding the Fourth Proportional to 31,465.44, 43,421.40 and 17,317.98

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Solution

The fourth proportional to 31,465.44, 43,421.40 and 17,317.98 is: 23,898.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,465.44 : 43,421.40 = 17,317.98 : x
  2. Step 2: Convert to fraction form
    31,465.44/43,421.40 = 17,317.98/x
  3. Step 3: Cross multiply
    31,465.44x = 43,421.40 × 17,317.98
  4. Step 4: Simplify right side
    31,465.44x = 751,970,936.77
  5. Step 5: Solve for x
    x = 751,970,936.77/31,465.44
  6. Step 6: Final answer
    x = 23,898.31

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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.