Home / 49,914.81-74,875.10-18,750.33

Finding the Fourth Proportional to 49,914.81, 74,875.10 and 18,750.33

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Solution

The fourth proportional to 49,914.81, 74,875.10 and 18,750.33 is: 28,126.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,914.81 : 74,875.10 = 18,750.33 : x
  2. Step 2: Convert to fraction form
    49,914.81/74,875.10 = 18,750.33/x
  3. Step 3: Cross multiply
    49,914.81x = 74,875.10 × 18,750.33
  4. Step 4: Simplify right side
    49,914.81x = 1,403,932,740.03
  5. Step 5: Solve for x
    x = 1,403,932,740.03/49,914.81
  6. Step 6: Final answer
    x = 28,126.58

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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.