Home / 55,462.12-76,536.60-30,311.80

Finding the Fourth Proportional to 55,462.12, 76,536.60 and 30,311.80

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Solution

The fourth proportional to 55,462.12, 76,536.60 and 30,311.80 is: 41,829.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,462.12 : 76,536.60 = 30,311.80 : x
  2. Step 2: Convert to fraction form
    55,462.12/76,536.60 = 30,311.80/x
  3. Step 3: Cross multiply
    55,462.12x = 76,536.60 × 30,311.80
  4. Step 4: Simplify right side
    55,462.12x = 2,319,962,111.88
  5. Step 5: Solve for x
    x = 2,319,962,111.88/55,462.12
  6. Step 6: Final answer
    x = 41,829.67

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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.