Home / 45,270.18-67,883.39-18,967.86

Finding the Fourth Proportional to 45,270.18, 67,883.39 and 18,967.86

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Solution

The fourth proportional to 45,270.18, 67,883.39 and 18,967.86 is: 28,442.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,270.18 : 67,883.39 = 18,967.86 : x
  2. Step 2: Convert to fraction form
    45,270.18/67,883.39 = 18,967.86/x
  3. Step 3: Cross multiply
    45,270.18x = 67,883.39 × 18,967.86
  4. Step 4: Simplify right side
    45,270.18x = 1,287,602,543.01
  5. Step 5: Solve for x
    x = 1,287,602,543.01/45,270.18
  6. Step 6: Final answer
    x = 28,442.62

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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.