Home / 43,378.84-64,944.30-40,623.24

Finding the Fourth Proportional to 43,378.84, 64,944.30 and 40,623.24

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Solution

The fourth proportional to 43,378.84, 64,944.30 and 40,623.24 is: 60,818.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,378.84 : 64,944.30 = 40,623.24 : x
  2. Step 2: Convert to fraction form
    43,378.84/64,944.30 = 40,623.24/x
  3. Step 3: Cross multiply
    43,378.84x = 64,944.30 × 40,623.24
  4. Step 4: Simplify right side
    43,378.84x = 2,638,247,885.53
  5. Step 5: Solve for x
    x = 2,638,247,885.53/43,378.84
  6. Step 6: Final answer
    x = 60,818.77

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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.