Home / 38,055.45-57,069.20-13,088.42

Finding the Fourth Proportional to 38,055.45, 57,069.20 and 13,088.42

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Solution

The fourth proportional to 38,055.45, 57,069.20 and 13,088.42 is: 19,627.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,055.45 : 57,069.20 = 13,088.42 : x
  2. Step 2: Convert to fraction form
    38,055.45/57,069.20 = 13,088.42/x
  3. Step 3: Cross multiply
    38,055.45x = 57,069.20 × 13,088.42
  4. Step 4: Simplify right side
    38,055.45x = 746,945,658.66
  5. Step 5: Solve for x
    x = 746,945,658.66/38,055.45
  6. Step 6: Final answer
    x = 19,627.82

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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.