Home / 30,674.52-42,331.32-18,099.27

Finding the Fourth Proportional to 30,674.52, 42,331.32 and 18,099.27

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Solution

The fourth proportional to 30,674.52, 42,331.32 and 18,099.27 is: 24,977.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,674.52 : 42,331.32 = 18,099.27 : x
  2. Step 2: Convert to fraction form
    30,674.52/42,331.32 = 18,099.27/x
  3. Step 3: Cross multiply
    30,674.52x = 42,331.32 × 18,099.27
  4. Step 4: Simplify right side
    30,674.52x = 766,165,990.14
  5. Step 5: Solve for x
    x = 766,165,990.14/30,674.52
  6. Step 6: Final answer
    x = 24,977.28

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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.