Home / 34,222.16-47,221.76-19,112.72

Finding the Fourth Proportional to 34,222.16, 47,221.76 and 19,112.72

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Solution

The fourth proportional to 34,222.16, 47,221.76 and 19,112.72 is: 26,372.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,222.16 : 47,221.76 = 19,112.72 : x
  2. Step 2: Convert to fraction form
    34,222.16/47,221.76 = 19,112.72/x
  3. Step 3: Cross multiply
    34,222.16x = 47,221.76 × 19,112.72
  4. Step 4: Simplify right side
    34,222.16x = 902,536,276.79
  5. Step 5: Solve for x
    x = 902,536,276.79/34,222.16
  6. Step 6: Final answer
    x = 26,372.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.