Home / 37,011.20-55,516.80-9,309.20

Finding the Fourth Proportional to 37,011.20, 55,516.80 and 9,309.20

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Solution

The fourth proportional to 37,011.20, 55,516.80 and 9,309.20 is: 13,963.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,011.20 : 55,516.80 = 9,309.20 : x
  2. Step 2: Convert to fraction form
    37,011.20/55,516.80 = 9,309.20/x
  3. Step 3: Cross multiply
    37,011.20x = 55,516.80 × 9,309.20
  4. Step 4: Simplify right side
    37,011.20x = 516,816,994.56
  5. Step 5: Solve for x
    x = 516,816,994.56/37,011.20
  6. Step 6: Final answer
    x = 13,963.80

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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.