Home / 56,806.41-78,378.32-36,102.36

Finding the Fourth Proportional to 56,806.41, 78,378.32 and 36,102.36

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Solution

The fourth proportional to 56,806.41, 78,378.32 and 36,102.36 is: 49,812.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,806.41 : 78,378.32 = 36,102.36 : x
  2. Step 2: Convert to fraction form
    56,806.41/78,378.32 = 36,102.36/x
  3. Step 3: Cross multiply
    56,806.41x = 78,378.32 × 36,102.36
  4. Step 4: Simplify right side
    56,806.41x = 2,829,642,217.36
  5. Step 5: Solve for x
    x = 2,829,642,217.36/56,806.41
  6. Step 6: Final answer
    x = 49,812.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.