Home / 49,388.40-74,082.60-12,452.40

Finding the Fourth Proportional to 49,388.40, 74,082.60 and 12,452.40

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Solution

The fourth proportional to 49,388.40, 74,082.60 and 12,452.40 is: 18,678.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,388.40 : 74,082.60 = 12,452.40 : x
  2. Step 2: Convert to fraction form
    49,388.40/74,082.60 = 12,452.40/x
  3. Step 3: Cross multiply
    49,388.40x = 74,082.60 × 12,452.40
  4. Step 4: Simplify right side
    49,388.40x = 922,506,168.24
  5. Step 5: Solve for x
    x = 922,506,168.24/49,388.40
  6. Step 6: Final answer
    x = 18,678.60

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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.