Home / 34,057.31-47,001.20-18,953.34

Finding the Fourth Proportional to 34,057.31, 47,001.20 and 18,953.34

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Solution

The fourth proportional to 34,057.31, 47,001.20 and 18,953.34 is: 26,156.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,057.31 : 47,001.20 = 18,953.34 : x
  2. Step 2: Convert to fraction form
    34,057.31/47,001.20 = 18,953.34/x
  3. Step 3: Cross multiply
    34,057.31x = 47,001.20 × 18,953.34
  4. Step 4: Simplify right side
    34,057.31x = 890,829,629.24
  5. Step 5: Solve for x
    x = 890,829,629.24/34,057.31
  6. Step 6: Final answer
    x = 26,156.79

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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.