Home / 51,636.18-77,438.76-18,351.87

Finding the Fourth Proportional to 51,636.18, 77,438.76 and 18,351.87

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Solution

The fourth proportional to 51,636.18, 77,438.76 and 18,351.87 is: 27,522.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,636.18 : 77,438.76 = 18,351.87 : x
  2. Step 2: Convert to fraction form
    51,636.18/77,438.76 = 18,351.87/x
  3. Step 3: Cross multiply
    51,636.18x = 77,438.76 × 18,351.87
  4. Step 4: Simplify right side
    51,636.18x = 1,421,146,056.48
  5. Step 5: Solve for x
    x = 1,421,146,056.48/51,636.18
  6. Step 6: Final answer
    x = 27,522.29

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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.