Home / 30,212.16-45,333.57-13,568.79

Finding the Fourth Proportional to 30,212.16, 45,333.57 and 13,568.79

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Solution

The fourth proportional to 30,212.16, 45,333.57 and 13,568.79 is: 20,360.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,212.16 : 45,333.57 = 13,568.79 : x
  2. Step 2: Convert to fraction form
    30,212.16/45,333.57 = 13,568.79/x
  3. Step 3: Cross multiply
    30,212.16x = 45,333.57 × 13,568.79
  4. Step 4: Simplify right side
    30,212.16x = 615,121,691.28
  5. Step 5: Solve for x
    x = 615,121,691.28/30,212.16
  6. Step 6: Final answer
    x = 20,360.07

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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.