Home / 30,906.15-42,650.23-17,477.37

Finding the Fourth Proportional to 30,906.15, 42,650.23 and 17,477.37

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Solution

The fourth proportional to 30,906.15, 42,650.23 and 17,477.37 is: 24,118.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,906.15 : 42,650.23 = 17,477.37 : x
  2. Step 2: Convert to fraction form
    30,906.15/42,650.23 = 17,477.37/x
  3. Step 3: Cross multiply
    30,906.15x = 42,650.23 × 17,477.37
  4. Step 4: Simplify right side
    30,906.15x = 745,413,549.66
  5. Step 5: Solve for x
    x = 745,413,549.66/30,906.15
  6. Step 6: Final answer
    x = 24,118.62

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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.