Home / 30,884.14-42,620-16,737.02

Finding the Fourth Proportional to 30,884.14, 42,620 and 16,737.02

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Solution

The fourth proportional to 30,884.14, 42,620 and 16,737.02 is: 23,097.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,884.14 : 42,620 = 16,737.02 : x
  2. Step 2: Convert to fraction form
    30,884.14/42,620 = 16,737.02/x
  3. Step 3: Cross multiply
    30,884.14x = 42,620 × 16,737.02
  4. Step 4: Simplify right side
    30,884.14x = 713,331,792.40
  5. Step 5: Solve for x
    x = 713,331,792.40/30,884.14
  6. Step 6: Final answer
    x = 23,097.03

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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.