Home / 30,350.70-45,527.40-10,359.90

Finding the Fourth Proportional to 30,350.70, 45,527.40 and 10,359.90

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Solution

The fourth proportional to 30,350.70, 45,527.40 and 10,359.90 is: 15,540.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,350.70 : 45,527.40 = 10,359.90 : x
  2. Step 2: Convert to fraction form
    30,350.70/45,527.40 = 10,359.90/x
  3. Step 3: Cross multiply
    30,350.70x = 45,527.40 × 10,359.90
  4. Step 4: Simplify right side
    30,350.70x = 471,659,311.26
  5. Step 5: Solve for x
    x = 471,659,311.26/30,350.70
  6. Step 6: Final answer
    x = 15,540.31

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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.