Home / 30,104.28-45,155.43-14,316.84

Finding the Fourth Proportional to 30,104.28, 45,155.43 and 14,316.84

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Solution

The fourth proportional to 30,104.28, 45,155.43 and 14,316.84 is: 21,474.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,104.28 : 45,155.43 = 14,316.84 : x
  2. Step 2: Convert to fraction form
    30,104.28/45,155.43 = 14,316.84/x
  3. Step 3: Cross multiply
    30,104.28x = 45,155.43 × 14,316.84
  4. Step 4: Simplify right side
    30,104.28x = 646,483,066.44
  5. Step 5: Solve for x
    x = 646,483,066.44/30,104.28
  6. Step 6: Final answer
    x = 21,474.79

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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.