Home / 30,757.08-42,435.99-17,323.64

Finding the Fourth Proportional to 30,757.08, 42,435.99 and 17,323.64

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Solution

The fourth proportional to 30,757.08, 42,435.99 and 17,323.64 is: 23,901.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,757.08 : 42,435.99 = 17,323.64 : x
  2. Step 2: Convert to fraction form
    30,757.08/42,435.99 = 17,323.64/x
  3. Step 3: Cross multiply
    30,757.08x = 42,435.99 × 17,323.64
  4. Step 4: Simplify right side
    30,757.08x = 735,145,813.80
  5. Step 5: Solve for x
    x = 735,145,813.80/30,757.08
  6. Step 6: Final answer
    x = 23,901.68

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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.