Home / 43,770.74-65,655.54-20,071.55

Finding the Fourth Proportional to 43,770.74, 65,655.54 and 20,071.55

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Solution

The fourth proportional to 43,770.74, 65,655.54 and 20,071.55 is: 30,107.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,770.74 : 65,655.54 = 20,071.55 : x
  2. Step 2: Convert to fraction form
    43,770.74/65,655.54 = 20,071.55/x
  3. Step 3: Cross multiply
    43,770.74x = 65,655.54 × 20,071.55
  4. Step 4: Simplify right side
    43,770.74x = 1,317,808,453.89
  5. Step 5: Solve for x
    x = 1,317,808,453.89/43,770.74
  6. Step 6: Final answer
    x = 30,107.06

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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.