Home / 30,212.28-45,333.76-13,568.90

Finding the Fourth Proportional to 30,212.28, 45,333.76 and 13,568.90

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Solution

The fourth proportional to 30,212.28, 45,333.76 and 13,568.90 is: 20,360.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,212.28 : 45,333.76 = 13,568.90 : x
  2. Step 2: Convert to fraction form
    30,212.28/45,333.76 = 13,568.90/x
  3. Step 3: Cross multiply
    30,212.28x = 45,333.76 × 13,568.90
  4. Step 4: Simplify right side
    30,212.28x = 615,129,256.06
  5. Step 5: Solve for x
    x = 615,129,256.06/30,212.28
  6. Step 6: Final answer
    x = 20,360.24

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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.