Home / 45,985.01-68,919.80-19,658.79

Finding the Fourth Proportional to 45,985.01, 68,919.80 and 19,658.79

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Solution

The fourth proportional to 45,985.01, 68,919.80 and 19,658.79 is: 29,463.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,985.01 : 68,919.80 = 19,658.79 : x
  2. Step 2: Convert to fraction form
    45,985.01/68,919.80 = 19,658.79/x
  3. Step 3: Cross multiply
    45,985.01x = 68,919.80 × 19,658.79
  4. Step 4: Simplify right side
    45,985.01x = 1,354,879,776.75
  5. Step 5: Solve for x
    x = 1,354,879,776.75/45,985.01
  6. Step 6: Final answer
    x = 29,463.51

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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.