Home / 38,659.08-57,989.88-13,695.72

Finding the Fourth Proportional to 38,659.08, 57,989.88 and 13,695.72

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Solution

The fourth proportional to 38,659.08, 57,989.88 and 13,695.72 is: 20,544.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,659.08 : 57,989.88 = 13,695.72 : x
  2. Step 2: Convert to fraction form
    38,659.08/57,989.88 = 13,695.72/x
  3. Step 3: Cross multiply
    38,659.08x = 57,989.88 × 13,695.72
  4. Step 4: Simplify right side
    38,659.08x = 794,213,159.31
  5. Step 5: Solve for x
    x = 794,213,159.31/38,659.08
  6. Step 6: Final answer
    x = 20,544.03

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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.