Home / 30,683.97-42,352.38-17,939.88

Finding the Fourth Proportional to 30,683.97, 42,352.38 and 17,939.88

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Solution

The fourth proportional to 30,683.97, 42,352.38 and 17,939.88 is: 24,762.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,683.97 : 42,352.38 = 17,939.88 : x
  2. Step 2: Convert to fraction form
    30,683.97/42,352.38 = 17,939.88/x
  3. Step 3: Cross multiply
    30,683.97x = 42,352.38 × 17,939.88
  4. Step 4: Simplify right side
    30,683.97x = 759,796,614.91
  5. Step 5: Solve for x
    x = 759,796,614.91/30,683.97
  6. Step 6: Final answer
    x = 24,762.00

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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.