Home / 30,899.34-46,234.19-18,426.15

Finding the Fourth Proportional to 30,899.34, 46,234.19 and 18,426.15

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Solution

The fourth proportional to 30,899.34, 46,234.19 and 18,426.15 is: 27,570.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,899.34 : 46,234.19 = 18,426.15 : x
  2. Step 2: Convert to fraction form
    30,899.34/46,234.19 = 18,426.15/x
  3. Step 3: Cross multiply
    30,899.34x = 46,234.19 × 18,426.15
  4. Step 4: Simplify right side
    30,899.34x = 851,918,166.13
  5. Step 5: Solve for x
    x = 851,918,166.13/30,899.34
  6. Step 6: Final answer
    x = 27,570.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.