Home / 30,709.40-45,999.30-27,426.20

Finding the Fourth Proportional to 30,709.40, 45,999.30 and 27,426.20

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Solution

The fourth proportional to 30,709.40, 45,999.30 and 27,426.20 is: 41,081.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,709.40 : 45,999.30 = 27,426.20 : x
  2. Step 2: Convert to fraction form
    30,709.40/45,999.30 = 27,426.20/x
  3. Step 3: Cross multiply
    30,709.40x = 45,999.30 × 27,426.20
  4. Step 4: Simplify right side
    30,709.40x = 1,261,586,001.66
  5. Step 5: Solve for x
    x = 1,261,586,001.66/30,709.40
  6. Step 6: Final answer
    x = 41,081.43

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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.