Home / 38,980.60-58,456.44-14,013.92

Finding the Fourth Proportional to 38,980.60, 58,456.44 and 14,013.92

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Solution

The fourth proportional to 38,980.60, 58,456.44 and 14,013.92 is: 21,015.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,980.60 : 58,456.44 = 14,013.92 : x
  2. Step 2: Convert to fraction form
    38,980.60/58,456.44 = 14,013.92/x
  3. Step 3: Cross multiply
    38,980.60x = 58,456.44 × 14,013.92
  4. Step 4: Simplify right side
    38,980.60x = 819,203,873.64
  5. Step 5: Solve for x
    x = 819,203,873.64/38,980.60
  6. Step 6: Final answer
    x = 21,015.68

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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.