Home / 47,756.60-71,615.44-21,454.28

Finding the Fourth Proportional to 47,756.60, 71,615.44 and 21,454.28

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Solution

The fourth proportional to 47,756.60, 71,615.44 and 21,454.28 is: 32,172.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,756.60 : 71,615.44 = 21,454.28 : x
  2. Step 2: Convert to fraction form
    47,756.60/71,615.44 = 21,454.28/x
  3. Step 3: Cross multiply
    47,756.60x = 71,615.44 × 21,454.28
  4. Step 4: Simplify right side
    47,756.60x = 1,536,457,702.08
  5. Step 5: Solve for x
    x = 1,536,457,702.08/47,756.60
  6. Step 6: Final answer
    x = 32,172.68

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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.