Home / 30,320.60-41,828.58-17,738.12

Finding the Fourth Proportional to 30,320.60, 41,828.58 and 17,738.12

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Solution

The fourth proportional to 30,320.60, 41,828.58 and 17,738.12 is: 24,470.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,320.60 : 41,828.58 = 17,738.12 : x
  2. Step 2: Convert to fraction form
    30,320.60/41,828.58 = 17,738.12/x
  3. Step 3: Cross multiply
    30,320.60x = 41,828.58 × 17,738.12
  4. Step 4: Simplify right side
    30,320.60x = 741,960,371.47
  5. Step 5: Solve for x
    x = 741,960,371.47/30,320.60
  6. Step 6: Final answer
    x = 24,470.50

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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.