Home / 30,218.08-45,319.44-11,740

Finding the Fourth Proportional to 30,218.08, 45,319.44 and 11,740

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Solution

The fourth proportional to 30,218.08, 45,319.44 and 11,740 is: 17,607.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,218.08 : 45,319.44 = 11,740 : x
  2. Step 2: Convert to fraction form
    30,218.08/45,319.44 = 11,740/x
  3. Step 3: Cross multiply
    30,218.08x = 45,319.44 × 11,740
  4. Step 4: Simplify right side
    30,218.08x = 532,050,225.60
  5. Step 5: Solve for x
    x = 532,050,225.60/30,218.08
  6. Step 6: Final answer
    x = 17,607.02

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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.