Home / 30,653.01-42,299.96-18,736.29

Finding the Fourth Proportional to 30,653.01, 42,299.96 and 18,736.29

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Solution

The fourth proportional to 30,653.01, 42,299.96 and 18,736.29 is: 25,855.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,653.01 : 42,299.96 = 18,736.29 : x
  2. Step 2: Convert to fraction form
    30,653.01/42,299.96 = 18,736.29/x
  3. Step 3: Cross multiply
    30,653.01x = 42,299.96 × 18,736.29
  4. Step 4: Simplify right side
    30,653.01x = 792,544,223.87
  5. Step 5: Solve for x
    x = 792,544,223.87/30,653.01
  6. Step 6: Final answer
    x = 25,855.35

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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.