Home / 39,221.56-58,840.98-12,925.18

Finding the Fourth Proportional to 39,221.56, 58,840.98 and 12,925.18

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Solution

The fourth proportional to 39,221.56, 58,840.98 and 12,925.18 is: 19,390.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,221.56 : 58,840.98 = 12,925.18 : x
  2. Step 2: Convert to fraction form
    39,221.56/58,840.98 = 12,925.18/x
  3. Step 3: Cross multiply
    39,221.56x = 58,840.98 × 12,925.18
  4. Step 4: Simplify right side
    39,221.56x = 760,530,257.88
  5. Step 5: Solve for x
    x = 760,530,257.88/39,221.56
  6. Step 6: Final answer
    x = 19,390.62

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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.