Home / 52,289.31-78,433.28-12,846.76

Finding the Fourth Proportional to 52,289.31, 78,433.28 and 12,846.76

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Solution

The fourth proportional to 52,289.31, 78,433.28 and 12,846.76 is: 19,269.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,289.31 : 78,433.28 = 12,846.76 : x
  2. Step 2: Convert to fraction form
    52,289.31/78,433.28 = 12,846.76/x
  3. Step 3: Cross multiply
    52,289.31x = 78,433.28 × 12,846.76
  4. Step 4: Simplify right side
    52,289.31x = 1,007,613,890.61
  5. Step 5: Solve for x
    x = 1,007,613,890.61/52,289.31
  6. Step 6: Final answer
    x = 19,269.98

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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.