Home / 49,582.55-74,388.40-19,985.15

Finding the Fourth Proportional to 49,582.55, 74,388.40 and 19,985.15

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Solution

The fourth proportional to 49,582.55, 74,388.40 and 19,985.15 is: 29,983.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,582.55 : 74,388.40 = 19,985.15 : x
  2. Step 2: Convert to fraction form
    49,582.55/74,388.40 = 19,985.15/x
  3. Step 3: Cross multiply
    49,582.55x = 74,388.40 × 19,985.15
  4. Step 4: Simplify right side
    49,582.55x = 1,486,662,910.36
  5. Step 5: Solve for x
    x = 1,486,662,910.36/49,582.55
  6. Step 6: Final answer
    x = 29,983.59

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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.