Home / 51,089.90-70,502.91-29,580.54

Finding the Fourth Proportional to 51,089.90, 70,502.91 and 29,580.54

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Solution

The fourth proportional to 51,089.90, 70,502.91 and 29,580.54 is: 40,820.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,089.90 : 70,502.91 = 29,580.54 : x
  2. Step 2: Convert to fraction form
    51,089.90/70,502.91 = 29,580.54/x
  3. Step 3: Cross multiply
    51,089.90x = 70,502.91 × 29,580.54
  4. Step 4: Simplify right side
    51,089.90x = 2,085,514,149.37
  5. Step 5: Solve for x
    x = 2,085,514,149.37/51,089.90
  6. Step 6: Final answer
    x = 40,820.48

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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.