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Finding the Fourth Proportional to 52,501.50, 78,788.73 and 21,336.78

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Solution

The fourth proportional to 52,501.50, 78,788.73 and 21,336.78 is: 32,020.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,501.50 : 78,788.73 = 21,336.78 : x
  2. Step 2: Convert to fraction form
    52,501.50/78,788.73 = 21,336.78/x
  3. Step 3: Cross multiply
    52,501.50x = 78,788.73 × 21,336.78
  4. Step 4: Simplify right side
    52,501.50x = 1,681,097,798.49
  5. Step 5: Solve for x
    x = 1,681,097,798.49/52,501.50
  6. Step 6: Final answer
    x = 32,020.00

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.