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Finding the Fourth Proportional to 29,459.64, 44,189.46 and 17,139

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Solution

The fourth proportional to 29,459.64, 44,189.46 and 17,139 is: 25,708.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,459.64 : 44,189.46 = 17,139 : x
  2. Step 2: Convert to fraction form
    29,459.64/44,189.46 = 17,139/x
  3. Step 3: Cross multiply
    29,459.64x = 44,189.46 × 17,139
  4. Step 4: Simplify right side
    29,459.64x = 757,363,154.94
  5. Step 5: Solve for x
    x = 757,363,154.94/29,459.64
  6. Step 6: Final answer
    x = 25,708.50

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1.5x scale

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.