Home / 52,064.21-78,104.51-18,792.41

Finding the Fourth Proportional to 52,064.21, 78,104.51 and 18,792.41

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Solution

The fourth proportional to 52,064.21, 78,104.51 and 18,792.41 is: 28,191.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,064.21 : 78,104.51 = 18,792.41 : x
  2. Step 2: Convert to fraction form
    52,064.21/78,104.51 = 18,792.41/x
  3. Step 3: Cross multiply
    52,064.21x = 78,104.51 × 18,792.41
  4. Step 4: Simplify right side
    52,064.21x = 1,467,771,490.28
  5. Step 5: Solve for x
    x = 1,467,771,490.28/52,064.21
  6. Step 6: Final answer
    x = 28,191.57

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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.