Home / 39,909.56-59,864.37-12,207.56

Finding the Fourth Proportional to 39,909.56, 59,864.37 and 12,207.56

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Solution

The fourth proportional to 39,909.56, 59,864.37 and 12,207.56 is: 18,311.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,909.56 : 59,864.37 = 12,207.56 : x
  2. Step 2: Convert to fraction form
    39,909.56/59,864.37 = 12,207.56/x
  3. Step 3: Cross multiply
    39,909.56x = 59,864.37 × 12,207.56
  4. Step 4: Simplify right side
    39,909.56x = 730,797,992.52
  5. Step 5: Solve for x
    x = 730,797,992.52/39,909.56
  6. Step 6: Final answer
    x = 18,311.35

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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.