Home / 47,512.58-71,292.56-21,210.26

Finding the Fourth Proportional to 47,512.58, 71,292.56 and 21,210.26

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Solution

The fourth proportional to 47,512.58, 71,292.56 and 21,210.26 is: 31,825.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,512.58 : 71,292.56 = 21,210.26 : x
  2. Step 2: Convert to fraction form
    47,512.58/71,292.56 = 21,210.26/x
  3. Step 3: Cross multiply
    47,512.58x = 71,292.56 × 21,210.26
  4. Step 4: Simplify right side
    47,512.58x = 1,512,133,271.15
  5. Step 5: Solve for x
    x = 1,512,133,271.15/47,512.58
  6. Step 6: Final answer
    x = 31,825.96

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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.