Home / 30,893.83-42,633.10-16,746.37

Finding the Fourth Proportional to 30,893.83, 42,633.10 and 16,746.37

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Solution

The fourth proportional to 30,893.83, 42,633.10 and 16,746.37 is: 23,109.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,893.83 : 42,633.10 = 16,746.37 : x
  2. Step 2: Convert to fraction form
    30,893.83/42,633.10 = 16,746.37/x
  3. Step 3: Cross multiply
    30,893.83x = 42,633.10 × 16,746.37
  4. Step 4: Simplify right side
    30,893.83x = 713,949,581.20
  5. Step 5: Solve for x
    x = 713,949,581.20/30,893.83
  6. Step 6: Final answer
    x = 23,109.78

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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.