Home / 30,973.48-42,743.58-16,826.44

Finding the Fourth Proportional to 30,973.48, 42,743.58 and 16,826.44

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Solution

The fourth proportional to 30,973.48, 42,743.58 and 16,826.44 is: 23,220.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,973.48 : 42,743.58 = 16,826.44 : x
  2. Step 2: Convert to fraction form
    30,973.48/42,743.58 = 16,826.44/x
  3. Step 3: Cross multiply
    30,973.48x = 42,743.58 × 16,826.44
  4. Step 4: Simplify right side
    30,973.48x = 719,222,284.26
  5. Step 5: Solve for x
    x = 719,222,284.26/30,973.48
  6. Step 6: Final answer
    x = 23,220.58

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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.