Home / 30,457.82-41,984.16-28,013.96

Finding the Fourth Proportional to 30,457.82, 41,984.16 and 28,013.96

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Solution

The fourth proportional to 30,457.82, 41,984.16 and 28,013.96 is: 38,615.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,457.82 : 41,984.16 = 28,013.96 : x
  2. Step 2: Convert to fraction form
    30,457.82/41,984.16 = 28,013.96/x
  3. Step 3: Cross multiply
    30,457.82x = 41,984.16 × 28,013.96
  4. Step 4: Simplify right side
    30,457.82x = 1,176,142,578.87
  5. Step 5: Solve for x
    x = 1,176,142,578.87/30,457.82
  6. Step 6: Final answer
    x = 38,615.46

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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.