Home / 51,762.43-77,591.33-20,152.79

Finding the Fourth Proportional to 51,762.43, 77,591.33 and 20,152.79

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Solution

The fourth proportional to 51,762.43, 77,591.33 and 20,152.79 is: 30,208.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,762.43 : 77,591.33 = 20,152.79 : x
  2. Step 2: Convert to fraction form
    51,762.43/77,591.33 = 20,152.79/x
  3. Step 3: Cross multiply
    51,762.43x = 77,591.33 × 20,152.79
  4. Step 4: Simplify right side
    51,762.43x = 1,563,681,635.71
  5. Step 5: Solve for x
    x = 1,563,681,635.71/51,762.43
  6. Step 6: Final answer
    x = 30,208.81

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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.