Home / 30,318.39-41,835.49-17,571.48

Finding the Fourth Proportional to 30,318.39, 41,835.49 and 17,571.48

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Solution

The fourth proportional to 30,318.39, 41,835.49 and 17,571.48 is: 24,246.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,318.39 : 41,835.49 = 17,571.48 : x
  2. Step 2: Convert to fraction form
    30,318.39/41,835.49 = 17,571.48/x
  3. Step 3: Cross multiply
    30,318.39x = 41,835.49 × 17,571.48
  4. Step 4: Simplify right side
    30,318.39x = 735,111,510.34
  5. Step 5: Solve for x
    x = 735,111,510.34/30,318.39
  6. Step 6: Final answer
    x = 24,246.39

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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.