Home / 38,963.20-58,444.80-12,670.60

Finding the Fourth Proportional to 38,963.20, 58,444.80 and 12,670.60

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Solution

The fourth proportional to 38,963.20, 58,444.80 and 12,670.60 is: 19,005.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,963.20 : 58,444.80 = 12,670.60 : x
  2. Step 2: Convert to fraction form
    38,963.20/58,444.80 = 12,670.60/x
  3. Step 3: Cross multiply
    38,963.20x = 58,444.80 × 12,670.60
  4. Step 4: Simplify right side
    38,963.20x = 740,530,682.88
  5. Step 5: Solve for x
    x = 740,530,682.88/38,963.20
  6. Step 6: Final answer
    x = 19,005.90

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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.