Home / 30,909.06-46,426.86-20,394.18

Finding the Fourth Proportional to 30,909.06, 46,426.86 and 20,394.18

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Solution

The fourth proportional to 30,909.06, 46,426.86 and 20,394.18 is: 30,633.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,909.06 : 46,426.86 = 20,394.18 : x
  2. Step 2: Convert to fraction form
    30,909.06/46,426.86 = 20,394.18/x
  3. Step 3: Cross multiply
    30,909.06x = 46,426.86 × 20,394.18
  4. Step 4: Simplify right side
    30,909.06x = 946,837,739.67
  5. Step 5: Solve for x
    x = 946,837,739.67/30,909.06
  6. Step 6: Final answer
    x = 30,633.02

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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.