Home / 51,929.93-77,894.90-12,487.04

Finding the Fourth Proportional to 51,929.93, 77,894.90 and 12,487.04

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Solution

The fourth proportional to 51,929.93, 77,894.90 and 12,487.04 is: 18,730.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,929.93 : 77,894.90 = 12,487.04 : x
  2. Step 2: Convert to fraction form
    51,929.93/77,894.90 = 12,487.04/x
  3. Step 3: Cross multiply
    51,929.93x = 77,894.90 × 12,487.04
  4. Step 4: Simplify right side
    51,929.93x = 972,676,732.10
  5. Step 5: Solve for x
    x = 972,676,732.10/51,929.93
  6. Step 6: Final answer
    x = 18,730.56

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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.