Home / 45,783.10-68,715.15-27,039.70

Finding the Fourth Proportional to 45,783.10, 68,715.15 and 27,039.70

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Solution

The fourth proportional to 45,783.10, 68,715.15 and 27,039.70 is: 40,583.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,783.10 : 68,715.15 = 27,039.70 : x
  2. Step 2: Convert to fraction form
    45,783.10/68,715.15 = 27,039.70/x
  3. Step 3: Cross multiply
    45,783.10x = 68,715.15 × 27,039.70
  4. Step 4: Simplify right side
    45,783.10x = 1,858,037,041.46
  5. Step 5: Solve for x
    x = 1,858,037,041.46/45,783.10
  6. Step 6: Final answer
    x = 40,583.47

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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.