Home / 40,478.78-60,723.26-21,733.05

Finding the Fourth Proportional to 40,478.78, 60,723.26 and 21,733.05

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Solution

The fourth proportional to 40,478.78, 60,723.26 and 21,733.05 is: 32,602.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,478.78 : 60,723.26 = 21,733.05 : x
  2. Step 2: Convert to fraction form
    40,478.78/60,723.26 = 21,733.05/x
  3. Step 3: Cross multiply
    40,478.78x = 60,723.26 × 21,733.05
  4. Step 4: Simplify right side
    40,478.78x = 1,319,701,645.74
  5. Step 5: Solve for x
    x = 1,319,701,645.74/40,478.78
  6. Step 6: Final answer
    x = 32,602.31

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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.