Home / 30,377.75-41,921.30-17,802.50

Finding the Fourth Proportional to 30,377.75, 41,921.30 and 17,802.50

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Solution

The fourth proportional to 30,377.75, 41,921.30 and 17,802.50 is: 24,567.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,377.75 : 41,921.30 = 17,802.50 : x
  2. Step 2: Convert to fraction form
    30,377.75/41,921.30 = 17,802.50/x
  3. Step 3: Cross multiply
    30,377.75x = 41,921.30 × 17,802.50
  4. Step 4: Simplify right side
    30,377.75x = 746,303,854.24
  5. Step 5: Solve for x
    x = 746,303,854.24/30,377.75
  6. Step 6: Final answer
    x = 24,567.45

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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.