Home / 49,455.16-68,243.70-29,308.63

Finding the Fourth Proportional to 49,455.16, 68,243.70 and 29,308.63

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Solution

The fourth proportional to 49,455.16, 68,243.70 and 29,308.63 is: 40,443.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,455.16 : 68,243.70 = 29,308.63 : x
  2. Step 2: Convert to fraction form
    49,455.16/68,243.70 = 29,308.63/x
  3. Step 3: Cross multiply
    49,455.16x = 68,243.70 × 29,308.63
  4. Step 4: Simplify right side
    49,455.16x = 2,000,129,353.13
  5. Step 5: Solve for x
    x = 2,000,129,353.13/49,455.16
  6. Step 6: Final answer
    x = 40,443.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.