Home / 38,725.30-58,090.38-12,429.46

Finding the Fourth Proportional to 38,725.30, 58,090.38 and 12,429.46

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Solution

The fourth proportional to 38,725.30, 58,090.38 and 12,429.46 is: 18,644.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,725.30 : 58,090.38 = 12,429.46 : x
  2. Step 2: Convert to fraction form
    38,725.30/58,090.38 = 12,429.46/x
  3. Step 3: Cross multiply
    38,725.30x = 58,090.38 × 12,429.46
  4. Step 4: Simplify right side
    38,725.30x = 722,032,054.59
  5. Step 5: Solve for x
    x = 722,032,054.59/38,725.30
  6. Step 6: Final answer
    x = 18,644.97

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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.