Home / 55,353.86-76,388.62-30,203.90

Finding the Fourth Proportional to 55,353.86, 76,388.62 and 30,203.90

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Solution

The fourth proportional to 55,353.86, 76,388.62 and 30,203.90 is: 41,681.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,353.86 : 76,388.62 = 30,203.90 : x
  2. Step 2: Convert to fraction form
    55,353.86/76,388.62 = 30,203.90/x
  3. Step 3: Cross multiply
    55,353.86x = 76,388.62 × 30,203.90
  4. Step 4: Simplify right side
    55,353.86x = 2,307,233,782.17
  5. Step 5: Solve for x
    x = 2,307,233,782.17/55,353.86
  6. Step 6: Final answer
    x = 41,681.54

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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.