Home / 45,196.79-67,795.58-11,921.58

Finding the Fourth Proportional to 45,196.79, 67,795.58 and 11,921.58

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Solution

The fourth proportional to 45,196.79, 67,795.58 and 11,921.58 is: 17,882.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,196.79 : 67,795.58 = 11,921.58 : x
  2. Step 2: Convert to fraction form
    45,196.79/67,795.58 = 11,921.58/x
  3. Step 3: Cross multiply
    45,196.79x = 67,795.58 × 11,921.58
  4. Step 4: Simplify right side
    45,196.79x = 808,230,430.62
  5. Step 5: Solve for x
    x = 808,230,430.62/45,196.79
  6. Step 6: Final answer
    x = 17,882.47

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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.