Home / 55,538.92-76,648.98-30,392.20

Finding the Fourth Proportional to 55,538.92, 76,648.98 and 30,392.20

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Solution

The fourth proportional to 55,538.92, 76,648.98 and 30,392.20 is: 41,944.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,538.92 : 76,648.98 = 30,392.20 : x
  2. Step 2: Convert to fraction form
    55,538.92/76,648.98 = 30,392.20/x
  3. Step 3: Cross multiply
    55,538.92x = 76,648.98 × 30,392.20
  4. Step 4: Simplify right side
    55,538.92x = 2,329,531,129.96
  5. Step 5: Solve for x
    x = 2,329,531,129.96/55,538.92
  6. Step 6: Final answer
    x = 41,944.12

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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.