Home / 45,666.84-68,500.32-12,386.88

Finding the Fourth Proportional to 45,666.84, 68,500.32 and 12,386.88

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Solution

The fourth proportional to 45,666.84, 68,500.32 and 12,386.88 is: 18,580.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,666.84 : 68,500.32 = 12,386.88 : x
  2. Step 2: Convert to fraction form
    45,666.84/68,500.32 = 12,386.88/x
  3. Step 3: Cross multiply
    45,666.84x = 68,500.32 × 12,386.88
  4. Step 4: Simplify right side
    45,666.84x = 848,505,243.80
  5. Step 5: Solve for x
    x = 848,505,243.80/45,666.84
  6. Step 6: Final answer
    x = 18,580.34

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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.