Home / 30,018.96-41,424.84-17,271.60

Finding the Fourth Proportional to 30,018.96, 41,424.84 and 17,271.60

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Solution

The fourth proportional to 30,018.96, 41,424.84 and 17,271.60 is: 23,834.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,018.96 : 41,424.84 = 17,271.60 : x
  2. Step 2: Convert to fraction form
    30,018.96/41,424.84 = 17,271.60/x
  3. Step 3: Cross multiply
    30,018.96x = 41,424.84 × 17,271.60
  4. Step 4: Simplify right side
    30,018.96x = 715,473,266.54
  5. Step 5: Solve for x
    x = 715,473,266.54/30,018.96
  6. Step 6: Final answer
    x = 23,834.05

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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.