Home / 30,471.37-42,050.26-17,724.80

Finding the Fourth Proportional to 30,471.37, 42,050.26 and 17,724.80

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Solution

The fourth proportional to 30,471.37, 42,050.26 and 17,724.80 is: 24,460.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,471.37 : 42,050.26 = 17,724.80 : x
  2. Step 2: Convert to fraction form
    30,471.37/42,050.26 = 17,724.80/x
  3. Step 3: Cross multiply
    30,471.37x = 42,050.26 × 17,724.80
  4. Step 4: Simplify right side
    30,471.37x = 745,332,448.45
  5. Step 5: Solve for x
    x = 745,332,448.45/30,471.37
  6. Step 6: Final answer
    x = 24,460.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.