Home / 30,923.12-42,674.02-16,776.07

Finding the Fourth Proportional to 30,923.12, 42,674.02 and 16,776.07

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Solution

The fourth proportional to 30,923.12, 42,674.02 and 16,776.07 is: 23,151.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,923.12 : 42,674.02 = 16,776.07 : x
  2. Step 2: Convert to fraction form
    30,923.12/42,674.02 = 16,776.07/x
  3. Step 3: Cross multiply
    30,923.12x = 42,674.02 × 16,776.07
  4. Step 4: Simplify right side
    30,923.12x = 715,902,198.08
  5. Step 5: Solve for x
    x = 715,902,198.08/30,923.12
  6. Step 6: Final answer
    x = 23,151.03

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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.