Home / 52,492.28-78,738.10-19,214.66

Finding the Fourth Proportional to 52,492.28, 78,738.10 and 19,214.66

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Solution

The fourth proportional to 52,492.28, 78,738.10 and 19,214.66 is: 28,821.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,492.28 : 78,738.10 = 19,214.66 : x
  2. Step 2: Convert to fraction form
    52,492.28/78,738.10 = 19,214.66/x
  3. Step 3: Cross multiply
    52,492.28x = 78,738.10 × 19,214.66
  4. Step 4: Simplify right side
    52,492.28x = 1,512,925,820.55
  5. Step 5: Solve for x
    x = 1,512,925,820.55/52,492.28
  6. Step 6: Final answer
    x = 28,821.87

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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.