Home / 47,243.25-70,875.81-16,078.50

Finding the Fourth Proportional to 47,243.25, 70,875.81 and 16,078.50

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Solution

The fourth proportional to 47,243.25, 70,875.81 and 16,078.50 is: 24,121.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,243.25 : 70,875.81 = 16,078.50 : x
  2. Step 2: Convert to fraction form
    47,243.25/70,875.81 = 16,078.50/x
  3. Step 3: Cross multiply
    47,243.25x = 70,875.81 × 16,078.50
  4. Step 4: Simplify right side
    47,243.25x = 1,139,576,711.09
  5. Step 5: Solve for x
    x = 1,139,576,711.09/47,243.25
  6. Step 6: Final answer
    x = 24,121.47

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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.