Home / 45,124.20-67,675.36-18,829.16

Finding the Fourth Proportional to 45,124.20, 67,675.36 and 18,829.16

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Solution

The fourth proportional to 45,124.20, 67,675.36 and 18,829.16 is: 28,239.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,124.20 : 67,675.36 = 18,829.16 : x
  2. Step 2: Convert to fraction form
    45,124.20/67,675.36 = 18,829.16/x
  3. Step 3: Cross multiply
    45,124.20x = 67,675.36 × 18,829.16
  4. Step 4: Simplify right side
    45,124.20x = 1,274,270,181.50
  5. Step 5: Solve for x
    x = 1,274,270,181.50/45,124.20
  6. Step 6: Final answer
    x = 28,239.18

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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.