Home / 30,339.50-45,507.83-10,622.48

Finding the Fourth Proportional to 30,339.50, 45,507.83 and 10,622.48

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Solution

The fourth proportional to 30,339.50, 45,507.83 and 10,622.48 is: 15,933.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,339.50 : 45,507.83 = 10,622.48 : x
  2. Step 2: Convert to fraction form
    30,339.50/45,507.83 = 10,622.48/x
  3. Step 3: Cross multiply
    30,339.50x = 45,507.83 × 10,622.48
  4. Step 4: Simplify right side
    30,339.50x = 483,405,733.37
  5. Step 5: Solve for x
    x = 483,405,733.37/30,339.50
  6. Step 6: Final answer
    x = 15,933.22

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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.