Home / 49,875.89-74,770.02-20,318.58

Finding the Fourth Proportional to 49,875.89, 74,770.02 and 20,318.58

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Solution

The fourth proportional to 49,875.89, 74,770.02 and 20,318.58 is: 30,460.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,875.89 : 74,770.02 = 20,318.58 : x
  2. Step 2: Convert to fraction form
    49,875.89/74,770.02 = 20,318.58/x
  3. Step 3: Cross multiply
    49,875.89x = 74,770.02 × 20,318.58
  4. Step 4: Simplify right side
    49,875.89x = 1,519,220,632.97
  5. Step 5: Solve for x
    x = 1,519,220,632.97/49,875.89
  6. Step 6: Final answer
    x = 30,460.02

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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.