Home / 34,859.92-52,273.48-12,657.60

Finding the Fourth Proportional to 34,859.92, 52,273.48 and 12,657.60

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Solution

The fourth proportional to 34,859.92, 52,273.48 and 12,657.60 is: 18,980.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,859.92 : 52,273.48 = 12,657.60 : x
  2. Step 2: Convert to fraction form
    34,859.92/52,273.48 = 12,657.60/x
  3. Step 3: Cross multiply
    34,859.92x = 52,273.48 × 12,657.60
  4. Step 4: Simplify right side
    34,859.92x = 661,656,800.45
  5. Step 5: Solve for x
    x = 661,656,800.45/34,859.92
  6. Step 6: Final answer
    x = 18,980.45

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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.