Home / 30,544.08-45,829.48-13,905.87

Finding the Fourth Proportional to 30,544.08, 45,829.48 and 13,905.87

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Solution

The fourth proportional to 30,544.08, 45,829.48 and 13,905.87 is: 20,864.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,544.08 : 45,829.48 = 13,905.87 : x
  2. Step 2: Convert to fraction form
    30,544.08/45,829.48 = 13,905.87/x
  3. Step 3: Cross multiply
    30,544.08x = 45,829.48 × 13,905.87
  4. Step 4: Simplify right side
    30,544.08x = 637,298,610.50
  5. Step 5: Solve for x
    x = 637,298,610.50/30,544.08
  6. Step 6: Final answer
    x = 20,864.88

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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.