Home / 47,056.96-70,603.68-20,743.28

Finding the Fourth Proportional to 47,056.96, 70,603.68 and 20,743.28

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Solution

The fourth proportional to 47,056.96, 70,603.68 and 20,743.28 is: 31,122.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,056.96 : 70,603.68 = 20,743.28 : x
  2. Step 2: Convert to fraction form
    47,056.96/70,603.68 = 20,743.28/x
  3. Step 3: Cross multiply
    47,056.96x = 70,603.68 × 20,743.28
  4. Step 4: Simplify right side
    47,056.96x = 1,464,551,903.27
  5. Step 5: Solve for x
    x = 1,464,551,903.27/47,056.96
  6. Step 6: Final answer
    x = 31,122.96

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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.