Home / 53,407.89-80,141.93-36,781.22

Finding the Fourth Proportional to 53,407.89, 80,141.93 and 36,781.22

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Solution

The fourth proportional to 53,407.89, 80,141.93 and 36,781.22 is: 55,192.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,407.89 : 80,141.93 = 36,781.22 : x
  2. Step 2: Convert to fraction form
    53,407.89/80,141.93 = 36,781.22/x
  3. Step 3: Cross multiply
    53,407.89x = 80,141.93 × 36,781.22
  4. Step 4: Simplify right side
    53,407.89x = 2,947,718,112.93
  5. Step 5: Solve for x
    x = 2,947,718,112.93/53,407.89
  6. Step 6: Final answer
    x = 55,192.56

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1.5x scale

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.