Home / 30,984.42-42,758.76-16,837.26

Finding the Fourth Proportional to 30,984.42, 42,758.76 and 16,837.26

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Solution

The fourth proportional to 30,984.42, 42,758.76 and 16,837.26 is: 23,235.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,984.42 : 42,758.76 = 16,837.26 : x
  2. Step 2: Convert to fraction form
    30,984.42/42,758.76 = 16,837.26/x
  3. Step 3: Cross multiply
    30,984.42x = 42,758.76 × 16,837.26
  4. Step 4: Simplify right side
    30,984.42x = 719,940,359.40
  5. Step 5: Solve for x
    x = 719,940,359.40/30,984.42
  6. Step 6: Final answer
    x = 23,235.56

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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.