Home / 45,775.08-68,640.66-19,465.56

Finding the Fourth Proportional to 45,775.08, 68,640.66 and 19,465.56

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Solution

The fourth proportional to 45,775.08, 68,640.66 and 19,465.56 is: 29,189.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,775.08 : 68,640.66 = 19,465.56 : x
  2. Step 2: Convert to fraction form
    45,775.08/68,640.66 = 19,465.56/x
  3. Step 3: Cross multiply
    45,775.08x = 68,640.66 × 19,465.56
  4. Step 4: Simplify right side
    45,775.08x = 1,336,128,885.67
  5. Step 5: Solve for x
    x = 1,336,128,885.67/45,775.08
  6. Step 6: Final answer
    x = 29,189.00

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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.