Home / 30,241.49-45,357.11-9,176.45

Finding the Fourth Proportional to 30,241.49, 45,357.11 and 9,176.45

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Solution

The fourth proportional to 30,241.49, 45,357.11 and 9,176.45 is: 13,763.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,241.49 : 45,357.11 = 9,176.45 : x
  2. Step 2: Convert to fraction form
    30,241.49/45,357.11 = 9,176.45/x
  3. Step 3: Cross multiply
    30,241.49x = 45,357.11 × 9,176.45
  4. Step 4: Simplify right side
    30,241.49x = 416,216,979.39
  5. Step 5: Solve for x
    x = 416,216,979.39/30,241.49
  6. Step 6: Final answer
    x = 13,763.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.