Home / 20,577.32-30,865.76-4,994.95

Finding the Fourth Proportional to 20,577.32, 30,865.76 and 4,994.95

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Solution

The fourth proportional to 20,577.32, 30,865.76 and 4,994.95 is: 7,492.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,577.32 : 30,865.76 = 4,994.95 : x
  2. Step 2: Convert to fraction form
    20,577.32/30,865.76 = 4,994.95/x
  3. Step 3: Cross multiply
    20,577.32x = 30,865.76 × 4,994.95
  4. Step 4: Simplify right side
    20,577.32x = 154,172,748.61
  5. Step 5: Solve for x
    x = 154,172,748.61/20,577.32
  6. Step 6: Final answer
    x = 7,492.36

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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.