Home / 51,710.36-77,572.14-18,433.78

Finding the Fourth Proportional to 51,710.36, 77,572.14 and 18,433.78

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Solution

The fourth proportional to 51,710.36, 77,572.14 and 18,433.78 is: 27,653.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,710.36 : 77,572.14 = 18,433.78 : x
  2. Step 2: Convert to fraction form
    51,710.36/77,572.14 = 18,433.78/x
  3. Step 3: Cross multiply
    51,710.36x = 77,572.14 × 18,433.78
  4. Step 4: Simplify right side
    51,710.36x = 1,429,947,762.89
  5. Step 5: Solve for x
    x = 1,429,947,762.89/51,710.36
  6. Step 6: Final answer
    x = 27,653.02

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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.