Home / 51,608.85-77,303.91-38,989.86

Finding the Fourth Proportional to 51,608.85, 77,303.91 and 38,989.86

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Solution

The fourth proportional to 51,608.85, 77,303.91 and 38,989.86 is: 58,402.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,608.85 : 77,303.91 = 38,989.86 : x
  2. Step 2: Convert to fraction form
    51,608.85/77,303.91 = 38,989.86/x
  3. Step 3: Cross multiply
    51,608.85x = 77,303.91 × 38,989.86
  4. Step 4: Simplify right side
    51,608.85x = 3,014,068,628.35
  5. Step 5: Solve for x
    x = 3,014,068,628.35/51,608.85
  6. Step 6: Final answer
    x = 58,402.17

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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.