Home / 40,495.64-60,752.36-12,419.54

Finding the Fourth Proportional to 40,495.64, 60,752.36 and 12,419.54

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Solution

The fourth proportional to 40,495.64, 60,752.36 and 12,419.54 is: 18,632.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,495.64 : 60,752.36 = 12,419.54 : x
  2. Step 2: Convert to fraction form
    40,495.64/60,752.36 = 12,419.54/x
  3. Step 3: Cross multiply
    40,495.64x = 60,752.36 × 12,419.54
  4. Step 4: Simplify right side
    40,495.64x = 754,516,365.11
  5. Step 5: Solve for x
    x = 754,516,365.11/40,495.64
  6. Step 6: Final answer
    x = 18,632.04

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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.