Home / 38,355.76-57,547.44-13,399.48

Finding the Fourth Proportional to 38,355.76, 57,547.44 and 13,399.48

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Solution

The fourth proportional to 38,355.76, 57,547.44 and 13,399.48 is: 20,104.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,355.76 : 57,547.44 = 13,399.48 : x
  2. Step 2: Convert to fraction form
    38,355.76/57,547.44 = 13,399.48/x
  3. Step 3: Cross multiply
    38,355.76x = 57,547.44 × 13,399.48
  4. Step 4: Simplify right side
    38,355.76x = 771,105,771.33
  5. Step 5: Solve for x
    x = 771,105,771.33/38,355.76
  6. Step 6: Final answer
    x = 20,104.04

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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.