Home / 38,985.38-58,481.72-12,683.06

Finding the Fourth Proportional to 38,985.38, 58,481.72 and 12,683.06

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Solution

The fourth proportional to 38,985.38, 58,481.72 and 12,683.06 is: 19,025.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,985.38 : 58,481.72 = 12,683.06 : x
  2. Step 2: Convert to fraction form
    38,985.38/58,481.72 = 12,683.06/x
  3. Step 3: Cross multiply
    38,985.38x = 58,481.72 × 12,683.06
  4. Step 4: Simplify right side
    38,985.38x = 741,726,807.84
  5. Step 5: Solve for x
    x = 741,726,807.84/38,985.38
  6. Step 6: Final answer
    x = 19,025.77

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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.