Home / 30,787.53-42,490.80-17,362.98

Finding the Fourth Proportional to 30,787.53, 42,490.80 and 17,362.98

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Solution

The fourth proportional to 30,787.53, 42,490.80 and 17,362.98 is: 23,963.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,787.53 : 42,490.80 = 17,362.98 : x
  2. Step 2: Convert to fraction form
    30,787.53/42,490.80 = 17,362.98/x
  3. Step 3: Cross multiply
    30,787.53x = 42,490.80 × 17,362.98
  4. Step 4: Simplify right side
    30,787.53x = 737,766,910.58
  5. Step 5: Solve for x
    x = 737,766,910.58/30,787.53
  6. Step 6: Final answer
    x = 23,963.17

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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.