Home / 38,579.14-57,877.62-12,283.84

Finding the Fourth Proportional to 38,579.14, 57,877.62 and 12,283.84

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Solution

The fourth proportional to 38,579.14, 57,877.62 and 12,283.84 is: 18,428.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,579.14 : 57,877.62 = 12,283.84 : x
  2. Step 2: Convert to fraction form
    38,579.14/57,877.62 = 12,283.84/x
  3. Step 3: Cross multiply
    38,579.14x = 57,877.62 × 12,283.84
  4. Step 4: Simplify right side
    38,579.14x = 710,959,423.66
  5. Step 5: Solve for x
    x = 710,959,423.66/38,579.14
  6. Step 6: Final answer
    x = 18,428.60

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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.