Home / 55,581.48-76,701.54-30,430.44

Finding the Fourth Proportional to 55,581.48, 76,701.54 and 30,430.44

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Solution

The fourth proportional to 55,581.48, 76,701.54 and 30,430.44 is: 41,993.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,581.48 : 76,701.54 = 30,430.44 : x
  2. Step 2: Convert to fraction form
    55,581.48/76,701.54 = 30,430.44/x
  3. Step 3: Cross multiply
    55,581.48x = 76,701.54 × 30,430.44
  4. Step 4: Simplify right side
    55,581.48x = 2,334,061,610.88
  5. Step 5: Solve for x
    x = 2,334,061,610.88/55,581.48
  6. Step 6: Final answer
    x = 41,993.51

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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.