Home / 29,207.25-43,818.30-8,430.75

Finding the Fourth Proportional to 29,207.25, 43,818.30 and 8,430.75

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Solution

The fourth proportional to 29,207.25, 43,818.30 and 8,430.75 is: 12,648.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,207.25 : 43,818.30 = 8,430.75 : x
  2. Step 2: Convert to fraction form
    29,207.25/43,818.30 = 8,430.75/x
  3. Step 3: Cross multiply
    29,207.25x = 43,818.30 × 8,430.75
  4. Step 4: Simplify right side
    29,207.25x = 369,421,132.73
  5. Step 5: Solve for x
    x = 369,421,132.73/29,207.25
  6. Step 6: Final answer
    x = 12,648.27

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1.5x scale

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.