Home / 51,201.48-70,659.54-29,978.76

Finding the Fourth Proportional to 51,201.48, 70,659.54 and 29,978.76

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Solution

The fourth proportional to 51,201.48, 70,659.54 and 29,978.76 is: 41,371.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,201.48 : 70,659.54 = 29,978.76 : x
  2. Step 2: Convert to fraction form
    51,201.48/70,659.54 = 29,978.76/x
  3. Step 3: Cross multiply
    51,201.48x = 70,659.54 × 29,978.76
  4. Step 4: Simplify right side
    51,201.48x = 2,118,285,391.37
  5. Step 5: Solve for x
    x = 2,118,285,391.37/51,201.48
  6. Step 6: Final answer
    x = 41,371.57

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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.