Home / 43,321.84-64,985.08-13,741.92

Finding the Fourth Proportional to 43,321.84, 64,985.08 and 13,741.92

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Solution

The fourth proportional to 43,321.84, 64,985.08 and 13,741.92 is: 20,613.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,321.84 : 64,985.08 = 13,741.92 : x
  2. Step 2: Convert to fraction form
    43,321.84/64,985.08 = 13,741.92/x
  3. Step 3: Cross multiply
    43,321.84x = 64,985.08 × 13,741.92
  4. Step 4: Simplify right side
    43,321.84x = 893,019,770.55
  5. Step 5: Solve for x
    x = 893,019,770.55/43,321.84
  6. Step 6: Final answer
    x = 20,613.62

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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.