Home / 48,318-66,686.13-29,466.06

Finding the Fourth Proportional to 48,318, 66,686.13 and 29,466.06

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Solution

The fourth proportional to 48,318, 66,686.13 and 29,466.06 is: 40,667.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,318 : 66,686.13 = 29,466.06 : x
  2. Step 2: Convert to fraction form
    48,318/66,686.13 = 29,466.06/x
  3. Step 3: Cross multiply
    48,318x = 66,686.13 × 29,466.06
  4. Step 4: Simplify right side
    48,318x = 1,964,977,507.75
  5. Step 5: Solve for x
    x = 1,964,977,507.75/48,318
  6. Step 6: Final answer
    x = 40,667.61

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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.