Home / 58,122.90-87,205.50-35,910.72

Finding the Fourth Proportional to 58,122.90, 87,205.50 and 35,910.72

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Solution

The fourth proportional to 58,122.90, 87,205.50 and 35,910.72 is: 53,879.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,122.90 : 87,205.50 = 35,910.72 : x
  2. Step 2: Convert to fraction form
    58,122.90/87,205.50 = 35,910.72/x
  3. Step 3: Cross multiply
    58,122.90x = 87,205.50 × 35,910.72
  4. Step 4: Simplify right side
    58,122.90x = 3,131,612,292.96
  5. Step 5: Solve for x
    x = 3,131,612,292.96/58,122.90
  6. Step 6: Final answer
    x = 53,879.15

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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.