Home / 40,564.21-60,852.08-12,486.60

Finding the Fourth Proportional to 40,564.21, 60,852.08 and 12,486.60

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Solution

The fourth proportional to 40,564.21, 60,852.08 and 12,486.60 is: 18,731.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,564.21 : 60,852.08 = 12,486.60 : x
  2. Step 2: Convert to fraction form
    40,564.21/60,852.08 = 12,486.60/x
  3. Step 3: Cross multiply
    40,564.21x = 60,852.08 × 12,486.60
  4. Step 4: Simplify right side
    40,564.21x = 759,835,719.20
  5. Step 5: Solve for x
    x = 759,835,719.20/40,564.21
  6. Step 6: Final answer
    x = 18,731.68

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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.