Home / 38,364.64-57,530.46-13,397.20

Finding the Fourth Proportional to 38,364.64, 57,530.46 and 13,397.20

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Solution

The fourth proportional to 38,364.64, 57,530.46 and 13,397.20 is: 20,090.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,364.64 : 57,530.46 = 13,397.20 : x
  2. Step 2: Convert to fraction form
    38,364.64/57,530.46 = 13,397.20/x
  3. Step 3: Cross multiply
    38,364.64x = 57,530.46 × 13,397.20
  4. Step 4: Simplify right side
    38,364.64x = 770,747,078.71
  5. Step 5: Solve for x
    x = 770,747,078.71/38,364.64
  6. Step 6: Final answer
    x = 20,090.04

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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.