Home / 45,264.55-67,904.40-18,971.29

Finding the Fourth Proportional to 45,264.55, 67,904.40 and 18,971.29

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Solution

The fourth proportional to 45,264.55, 67,904.40 and 18,971.29 is: 28,460.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,264.55 : 67,904.40 = 18,971.29 : x
  2. Step 2: Convert to fraction form
    45,264.55/67,904.40 = 18,971.29/x
  3. Step 3: Cross multiply
    45,264.55x = 67,904.40 × 18,971.29
  4. Step 4: Simplify right side
    45,264.55x = 1,288,234,064.68
  5. Step 5: Solve for x
    x = 1,288,234,064.68/45,264.55
  6. Step 6: Final answer
    x = 28,460.11

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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.