Home / 51,743.34-77,600.01-20,146.35

Finding the Fourth Proportional to 51,743.34, 77,600.01 and 20,146.35

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Solution

The fourth proportional to 51,743.34, 77,600.01 and 20,146.35 is: 30,213.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,743.34 : 77,600.01 = 20,146.35 : x
  2. Step 2: Convert to fraction form
    51,743.34/77,600.01 = 20,146.35/x
  3. Step 3: Cross multiply
    51,743.34x = 77,600.01 × 20,146.35
  4. Step 4: Simplify right side
    51,743.34x = 1,563,356,961.46
  5. Step 5: Solve for x
    x = 1,563,356,961.46/51,743.34
  6. Step 6: Final answer
    x = 30,213.68

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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.