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Finding the Fourth Proportional to 59,313.90, 88,971.24 and 19,874.10

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Solution

The fourth proportional to 59,313.90, 88,971.24 and 19,874.10 is: 29,811.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,313.90 : 88,971.24 = 19,874.10 : x
  2. Step 2: Convert to fraction form
    59,313.90/88,971.24 = 19,874.10/x
  3. Step 3: Cross multiply
    59,313.90x = 88,971.24 × 19,874.10
  4. Step 4: Simplify right side
    59,313.90x = 1,768,223,320.88
  5. Step 5: Solve for x
    x = 1,768,223,320.88/59,313.90
  6. Step 6: Final answer
    x = 29,811.28

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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.