Home / 43,109.55-64,609.50-19,391.74

Finding the Fourth Proportional to 43,109.55, 64,609.50 and 19,391.74

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Solution

The fourth proportional to 43,109.55, 64,609.50 and 19,391.74 is: 29,062.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,109.55 : 64,609.50 = 19,391.74 : x
  2. Step 2: Convert to fraction form
    43,109.55/64,609.50 = 19,391.74/x
  3. Step 3: Cross multiply
    43,109.55x = 64,609.50 × 19,391.74
  4. Step 4: Simplify right side
    43,109.55x = 1,252,890,625.53
  5. Step 5: Solve for x
    x = 1,252,890,625.53/43,109.55
  6. Step 6: Final answer
    x = 29,062.95

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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.