Home / 30,941.94-42,696.32-17,328.08

Finding the Fourth Proportional to 30,941.94, 42,696.32 and 17,328.08

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Solution

The fourth proportional to 30,941.94, 42,696.32 and 17,328.08 is: 23,910.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,941.94 : 42,696.32 = 17,328.08 : x
  2. Step 2: Convert to fraction form
    30,941.94/42,696.32 = 17,328.08/x
  3. Step 3: Cross multiply
    30,941.94x = 42,696.32 × 17,328.08
  4. Step 4: Simplify right side
    30,941.94x = 739,845,248.67
  5. Step 5: Solve for x
    x = 739,845,248.67/30,941.94
  6. Step 6: Final answer
    x = 23,910.76

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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.