Home / 55,674.18-76,830.26-30,525.30

Finding the Fourth Proportional to 55,674.18, 76,830.26 and 30,525.30

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Solution

The fourth proportional to 55,674.18, 76,830.26 and 30,525.30 is: 42,124.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,674.18 : 76,830.26 = 30,525.30 : x
  2. Step 2: Convert to fraction form
    55,674.18/76,830.26 = 30,525.30/x
  3. Step 3: Cross multiply
    55,674.18x = 76,830.26 × 30,525.30
  4. Step 4: Simplify right side
    55,674.18x = 2,345,266,735.58
  5. Step 5: Solve for x
    x = 2,345,266,735.58/55,674.18
  6. Step 6: Final answer
    x = 42,124.85

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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.