Home / 38,555.40-57,833.10-13,623.60

Finding the Fourth Proportional to 38,555.40, 57,833.10 and 13,623.60

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Solution

The fourth proportional to 38,555.40, 57,833.10 and 13,623.60 is: 20,435.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,555.40 : 57,833.10 = 13,623.60 : x
  2. Step 2: Convert to fraction form
    38,555.40/57,833.10 = 13,623.60/x
  3. Step 3: Cross multiply
    38,555.40x = 57,833.10 × 13,623.60
  4. Step 4: Simplify right side
    38,555.40x = 787,895,021.16
  5. Step 5: Solve for x
    x = 787,895,021.16/38,555.40
  6. Step 6: Final answer
    x = 20,435.40

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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.