Home / 30,885.05-42,620.22-16,737.59

Finding the Fourth Proportional to 30,885.05, 42,620.22 and 16,737.59

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Solution

The fourth proportional to 30,885.05, 42,620.22 and 16,737.59 is: 23,097.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,885.05 : 42,620.22 = 16,737.59 : x
  2. Step 2: Convert to fraction form
    30,885.05/42,620.22 = 16,737.59/x
  3. Step 3: Cross multiply
    30,885.05x = 42,620.22 × 16,737.59
  4. Step 4: Simplify right side
    30,885.05x = 713,359,554.97
  5. Step 5: Solve for x
    x = 713,359,554.97/30,885.05
  6. Step 6: Final answer
    x = 23,097.25

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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.