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Finding the Fourth Proportional to 51,353.60, 77,030.40 and 18,073.40

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Solution

The fourth proportional to 51,353.60, 77,030.40 and 18,073.40 is: 27,110.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,353.60 : 77,030.40 = 18,073.40 : x
  2. Step 2: Convert to fraction form
    51,353.60/77,030.40 = 18,073.40/x
  3. Step 3: Cross multiply
    51,353.60x = 77,030.40 × 18,073.40
  4. Step 4: Simplify right side
    51,353.60x = 1,392,201,231.36
  5. Step 5: Solve for x
    x = 1,392,201,231.36/51,353.60
  6. Step 6: Final answer
    x = 27,110.10

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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.