Home / 30,153.60-45,230.40-25,269.30

Finding the Fourth Proportional to 30,153.60, 45,230.40 and 25,269.30

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Solution

The fourth proportional to 30,153.60, 45,230.40 and 25,269.30 is: 37,903.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,153.60 : 45,230.40 = 25,269.30 : x
  2. Step 2: Convert to fraction form
    30,153.60/45,230.40 = 25,269.30/x
  3. Step 3: Cross multiply
    30,153.60x = 45,230.40 × 25,269.30
  4. Step 4: Simplify right side
    30,153.60x = 1,142,940,546.72
  5. Step 5: Solve for x
    x = 1,142,940,546.72/30,153.60
  6. Step 6: Final answer
    x = 37,903.95

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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.