Home / 30,884.63-42,620.99-16,737.57

Finding the Fourth Proportional to 30,884.63, 42,620.99 and 16,737.57

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Solution

The fourth proportional to 30,884.63, 42,620.99 and 16,737.57 is: 23,097.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,884.63 : 42,620.99 = 16,737.57 : x
  2. Step 2: Convert to fraction form
    30,884.63/42,620.99 = 16,737.57/x
  3. Step 3: Cross multiply
    30,884.63x = 42,620.99 × 16,737.57
  4. Step 4: Simplify right side
    30,884.63x = 713,371,719.91
  5. Step 5: Solve for x
    x = 713,371,719.91/30,884.63
  6. Step 6: Final answer
    x = 23,097.96

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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.