Home / 55,519.15-83,114.70-36,820.30

Finding the Fourth Proportional to 55,519.15, 83,114.70 and 36,820.30

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Solution

The fourth proportional to 55,519.15, 83,114.70 and 36,820.30 is: 55,121.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,519.15 : 83,114.70 = 36,820.30 : x
  2. Step 2: Convert to fraction form
    55,519.15/83,114.70 = 36,820.30/x
  3. Step 3: Cross multiply
    55,519.15x = 83,114.70 × 36,820.30
  4. Step 4: Simplify right side
    55,519.15x = 3,060,308,188.41
  5. Step 5: Solve for x
    x = 3,060,308,188.41/55,519.15
  6. Step 6: Final answer
    x = 55,121.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.