Home / 30,126.71-45,189.81-9,066.64

Finding the Fourth Proportional to 30,126.71, 45,189.81 and 9,066.64

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Solution

The fourth proportional to 30,126.71, 45,189.81 and 9,066.64 is: 13,599.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,126.71 : 45,189.81 = 9,066.64 : x
  2. Step 2: Convert to fraction form
    30,126.71/45,189.81 = 9,066.64/x
  3. Step 3: Cross multiply
    30,126.71x = 45,189.81 × 9,066.64
  4. Step 4: Simplify right side
    30,126.71x = 409,719,738.94
  5. Step 5: Solve for x
    x = 409,719,738.94/30,126.71
  6. Step 6: Final answer
    x = 13,599.88

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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.