Home / 30,969.44-42,740.46-17,543.09

Finding the Fourth Proportional to 30,969.44, 42,740.46 and 17,543.09

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Solution

The fourth proportional to 30,969.44, 42,740.46 and 17,543.09 is: 24,210.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,969.44 : 42,740.46 = 17,543.09 : x
  2. Step 2: Convert to fraction form
    30,969.44/42,740.46 = 17,543.09/x
  3. Step 3: Cross multiply
    30,969.44x = 42,740.46 × 17,543.09
  4. Step 4: Simplify right side
    30,969.44x = 749,799,736.42
  5. Step 5: Solve for x
    x = 749,799,736.42/30,969.44
  6. Step 6: Final answer
    x = 24,210.96

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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.