Home / 30,533-45,739.86-21,043.62

Finding the Fourth Proportional to 30,533, 45,739.86 and 21,043.62

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Solution

The fourth proportional to 30,533, 45,739.86 and 21,043.62 is: 31,524.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,533 : 45,739.86 = 21,043.62 : x
  2. Step 2: Convert to fraction form
    30,533/45,739.86 = 21,043.62/x
  3. Step 3: Cross multiply
    30,533x = 45,739.86 × 21,043.62
  4. Step 4: Simplify right side
    30,533x = 962,532,232.69
  5. Step 5: Solve for x
    x = 962,532,232.69/30,533
  6. Step 6: Final answer
    x = 31,524.33

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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.