Home / 51,451.53-70,980.58-30,221.23

Finding the Fourth Proportional to 51,451.53, 70,980.58 and 30,221.23

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Solution

The fourth proportional to 51,451.53, 70,980.58 and 30,221.23 is: 41,692.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,451.53 : 70,980.58 = 30,221.23 : x
  2. Step 2: Convert to fraction form
    51,451.53/70,980.58 = 30,221.23/x
  3. Step 3: Cross multiply
    51,451.53x = 70,980.58 × 30,221.23
  4. Step 4: Simplify right side
    51,451.53x = 2,145,120,433.71
  5. Step 5: Solve for x
    x = 2,145,120,433.71/51,451.53
  6. Step 6: Final answer
    x = 41,692.06

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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.