Home / 81,583.28-122,374.93-28,994.84

Finding the Fourth Proportional to 81,583.28, 122,374.93 and 28,994.84

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Solution

The fourth proportional to 81,583.28, 122,374.93 and 28,994.84 is: 43,492.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,583.28 : 122,374.93 = 28,994.84 : x
  2. Step 2: Convert to fraction form
    81,583.28/122,374.93 = 28,994.84/x
  3. Step 3: Cross multiply
    81,583.28x = 122,374.93 × 28,994.84
  4. Step 4: Simplify right side
    81,583.28x = 3,548,241,515.36
  5. Step 5: Solve for x
    x = 3,548,241,515.36/81,583.28
  6. Step 6: Final answer
    x = 43,492.26

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1.5x scale

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.