Home / 34,237.10-47,246.31-19,129.88

Finding the Fourth Proportional to 34,237.10, 47,246.31 and 19,129.88

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Solution

The fourth proportional to 34,237.10, 47,246.31 and 19,129.88 is: 26,398.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,237.10 : 47,246.31 = 19,129.88 : x
  2. Step 2: Convert to fraction form
    34,237.10/47,246.31 = 19,129.88/x
  3. Step 3: Cross multiply
    34,237.10x = 47,246.31 × 19,129.88
  4. Step 4: Simplify right side
    34,237.10x = 903,816,299.80
  5. Step 5: Solve for x
    x = 903,816,299.80/34,237.10
  6. Step 6: Final answer
    x = 26,398.74

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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.