Home / 53,100.72-79,661.93-15,657.66

Finding the Fourth Proportional to 53,100.72, 79,661.93 and 15,657.66

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Solution

The fourth proportional to 53,100.72, 79,661.93 and 15,657.66 is: 23,489.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,100.72 : 79,661.93 = 15,657.66 : x
  2. Step 2: Convert to fraction form
    53,100.72/79,661.93 = 15,657.66/x
  3. Step 3: Cross multiply
    53,100.72x = 79,661.93 × 15,657.66
  4. Step 4: Simplify right side
    53,100.72x = 1,247,319,336.60
  5. Step 5: Solve for x
    x = 1,247,319,336.60/53,100.72
  6. Step 6: Final answer
    x = 23,489.69

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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.