Home / 38,579.43-57,868.53-12,283.80

Finding the Fourth Proportional to 38,579.43, 57,868.53 and 12,283.80

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Solution

The fourth proportional to 38,579.43, 57,868.53 and 12,283.80 is: 18,425.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,579.43 : 57,868.53 = 12,283.80 : x
  2. Step 2: Convert to fraction form
    38,579.43/57,868.53 = 12,283.80/x
  3. Step 3: Cross multiply
    38,579.43x = 57,868.53 × 12,283.80
  4. Step 4: Simplify right side
    38,579.43x = 710,845,448.81
  5. Step 5: Solve for x
    x = 710,845,448.81/38,579.43
  6. Step 6: Final answer
    x = 18,425.50

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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.