Home / 45,271.18-67,884.88-18,968.86

Finding the Fourth Proportional to 45,271.18, 67,884.88 and 18,968.86

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Solution

The fourth proportional to 45,271.18, 67,884.88 and 18,968.86 is: 28,444.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,271.18 : 67,884.88 = 18,968.86 : x
  2. Step 2: Convert to fraction form
    45,271.18/67,884.88 = 18,968.86/x
  3. Step 3: Cross multiply
    45,271.18x = 67,884.88 × 18,968.86
  4. Step 4: Simplify right side
    45,271.18x = 1,287,698,784.84
  5. Step 5: Solve for x
    x = 1,287,698,784.84/45,271.18
  6. Step 6: Final answer
    x = 28,444.12

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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.