Home / 30,880.04-42,614.42-16,732.89

Finding the Fourth Proportional to 30,880.04, 42,614.42 and 16,732.89

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Solution

The fourth proportional to 30,880.04, 42,614.42 and 16,732.89 is: 23,091.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,880.04 : 42,614.42 = 16,732.89 : x
  2. Step 2: Convert to fraction form
    30,880.04/42,614.42 = 16,732.89/x
  3. Step 3: Cross multiply
    30,880.04x = 42,614.42 × 16,732.89
  4. Step 4: Simplify right side
    30,880.04x = 713,062,318.61
  5. Step 5: Solve for x
    x = 713,062,318.61/30,880.04
  6. Step 6: Final answer
    x = 23,091.37

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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.