Home / 30,841.92-42,561.90-16,694.82

Finding the Fourth Proportional to 30,841.92, 42,561.90 and 16,694.82

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Solution

The fourth proportional to 30,841.92, 42,561.90 and 16,694.82 is: 23,038.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,841.92 : 42,561.90 = 16,694.82 : x
  2. Step 2: Convert to fraction form
    30,841.92/42,561.90 = 16,694.82/x
  3. Step 3: Cross multiply
    30,841.92x = 42,561.90 × 16,694.82
  4. Step 4: Simplify right side
    30,841.92x = 710,563,259.36
  5. Step 5: Solve for x
    x = 710,563,259.36/30,841.92
  6. Step 6: Final answer
    x = 23,038.88

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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.