Home / 55,512.36-76,608.18-30,363.48

Finding the Fourth Proportional to 55,512.36, 76,608.18 and 30,363.48

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Solution

The fourth proportional to 55,512.36, 76,608.18 and 30,363.48 is: 41,902.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,512.36 : 76,608.18 = 30,363.48 : x
  2. Step 2: Convert to fraction form
    55,512.36/76,608.18 = 30,363.48/x
  3. Step 3: Cross multiply
    55,512.36x = 76,608.18 × 30,363.48
  4. Step 4: Simplify right side
    55,512.36x = 2,326,090,941.27
  5. Step 5: Solve for x
    x = 2,326,090,941.27/55,512.36
  6. Step 6: Final answer
    x = 41,902.22

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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.