Home / 45,484.61-68,240.08-18,825.67

Finding the Fourth Proportional to 45,484.61, 68,240.08 and 18,825.67

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Solution

The fourth proportional to 45,484.61, 68,240.08 and 18,825.67 is: 28,243.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,484.61 : 68,240.08 = 18,825.67 : x
  2. Step 2: Convert to fraction form
    45,484.61/68,240.08 = 18,825.67/x
  3. Step 3: Cross multiply
    45,484.61x = 68,240.08 × 18,825.67
  4. Step 4: Simplify right side
    45,484.61x = 1,284,665,474.66
  5. Step 5: Solve for x
    x = 1,284,665,474.66/45,484.61
  6. Step 6: Final answer
    x = 28,243.96

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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.