Home / 55,611.34-76,743.75-30,117.63

Finding the Fourth Proportional to 55,611.34, 76,743.75 and 30,117.63

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Solution

The fourth proportional to 55,611.34, 76,743.75 and 30,117.63 is: 41,562.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,611.34 : 76,743.75 = 30,117.63 : x
  2. Step 2: Convert to fraction form
    55,611.34/76,743.75 = 30,117.63/x
  3. Step 3: Cross multiply
    55,611.34x = 76,743.75 × 30,117.63
  4. Step 4: Simplify right side
    55,611.34x = 2,311,339,867.31
  5. Step 5: Solve for x
    x = 2,311,339,867.31/55,611.34
  6. Step 6: Final answer
    x = 41,562.38

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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.