Home / 38,783.88-58,181.04-12,482.28

Finding the Fourth Proportional to 38,783.88, 58,181.04 and 12,482.28

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Solution

The fourth proportional to 38,783.88, 58,181.04 and 12,482.28 is: 18,725.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,783.88 : 58,181.04 = 12,482.28 : x
  2. Step 2: Convert to fraction form
    38,783.88/58,181.04 = 12,482.28/x
  3. Step 3: Cross multiply
    38,783.88x = 58,181.04 × 12,482.28
  4. Step 4: Simplify right side
    38,783.88x = 726,232,031.97
  5. Step 5: Solve for x
    x = 726,232,031.97/38,783.88
  6. Step 6: Final answer
    x = 18,725.10

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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.