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Finding the Fourth Proportional to 51,289.66, 70,783.29 and 28,633.10

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Solution

The fourth proportional to 51,289.66, 70,783.29 and 28,633.10 is: 39,515.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,289.66 : 70,783.29 = 28,633.10 : x
  2. Step 2: Convert to fraction form
    51,289.66/70,783.29 = 28,633.10/x
  3. Step 3: Cross multiply
    51,289.66x = 70,783.29 × 28,633.10
  4. Step 4: Simplify right side
    51,289.66x = 2,026,744,877.73
  5. Step 5: Solve for x
    x = 2,026,744,877.73/51,289.66
  6. Step 6: Final answer
    x = 39,515.67

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.