Home / 30,821.67-42,533.82-16,674.48

Finding the Fourth Proportional to 30,821.67, 42,533.82 and 16,674.48

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Solution

The fourth proportional to 30,821.67, 42,533.82 and 16,674.48 is: 23,010.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,821.67 : 42,533.82 = 16,674.48 : x
  2. Step 2: Convert to fraction form
    30,821.67/42,533.82 = 16,674.48/x
  3. Step 3: Cross multiply
    30,821.67x = 42,533.82 × 16,674.48
  4. Step 4: Simplify right side
    30,821.67x = 709,229,330.91
  5. Step 5: Solve for x
    x = 709,229,330.91/30,821.67
  6. Step 6: Final answer
    x = 23,010.74

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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.