Home / 30,518.44-42,115.45-16,907.37

Finding the Fourth Proportional to 30,518.44, 42,115.45 and 16,907.37

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Solution

The fourth proportional to 30,518.44, 42,115.45 and 16,907.37 is: 23,332.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,518.44 : 42,115.45 = 16,907.37 : x
  2. Step 2: Convert to fraction form
    30,518.44/42,115.45 = 16,907.37/x
  3. Step 3: Cross multiply
    30,518.44x = 42,115.45 × 16,907.37
  4. Step 4: Simplify right side
    30,518.44x = 712,061,411.33
  5. Step 5: Solve for x
    x = 712,061,411.33/30,518.44
  6. Step 6: Final answer
    x = 23,332.17

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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.