Home / 20,577.19-30,865.80-4,994.83

Finding the Fourth Proportional to 20,577.19, 30,865.80 and 4,994.83

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Solution

The fourth proportional to 20,577.19, 30,865.80 and 4,994.83 is: 7,492.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,577.19 : 30,865.80 = 4,994.83 : x
  2. Step 2: Convert to fraction form
    20,577.19/30,865.80 = 4,994.83/x
  3. Step 3: Cross multiply
    20,577.19x = 30,865.80 × 4,994.83
  4. Step 4: Simplify right side
    20,577.19x = 154,169,423.81
  5. Step 5: Solve for x
    x = 154,169,423.81/20,577.19
  6. Step 6: Final answer
    x = 7,492.25

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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.