Home / 30,800.82-42,507.27-17,373.33

Finding the Fourth Proportional to 30,800.82, 42,507.27 and 17,373.33

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Solution

The fourth proportional to 30,800.82, 42,507.27 and 17,373.33 is: 23,976.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,800.82 : 42,507.27 = 17,373.33 : x
  2. Step 2: Convert to fraction form
    30,800.82/42,507.27 = 17,373.33/x
  3. Step 3: Cross multiply
    30,800.82x = 42,507.27 × 17,373.33
  4. Step 4: Simplify right side
    30,800.82x = 738,492,829.11
  5. Step 5: Solve for x
    x = 738,492,829.11/30,800.82
  6. Step 6: Final answer
    x = 23,976.40

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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.