Home / 40,902.64-61,353.93-13,200.64

Finding the Fourth Proportional to 40,902.64, 61,353.93 and 13,200.64

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Solution

The fourth proportional to 40,902.64, 61,353.93 and 13,200.64 is: 19,800.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,902.64 : 61,353.93 = 13,200.64 : x
  2. Step 2: Convert to fraction form
    40,902.64/61,353.93 = 13,200.64/x
  3. Step 3: Cross multiply
    40,902.64x = 61,353.93 × 13,200.64
  4. Step 4: Simplify right side
    40,902.64x = 809,911,142.52
  5. Step 5: Solve for x
    x = 809,911,142.52/40,902.64
  6. Step 6: Final answer
    x = 19,800.95

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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.