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Finding the Fourth Proportional to 30,169.60, 45,254.40 and 10,441.60

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Solution

The fourth proportional to 30,169.60, 45,254.40 and 10,441.60 is: 15,662.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,169.60 : 45,254.40 = 10,441.60 : x
  2. Step 2: Convert to fraction form
    30,169.60/45,254.40 = 10,441.60/x
  3. Step 3: Cross multiply
    30,169.60x = 45,254.40 × 10,441.60
  4. Step 4: Simplify right side
    30,169.60x = 472,528,343.04
  5. Step 5: Solve for x
    x = 472,528,343.04/30,169.60
  6. Step 6: Final answer
    x = 15,662.40

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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.