Home / 56,492.78-77,960.94-32,621.54

Finding the Fourth Proportional to 56,492.78, 77,960.94 and 32,621.54

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Solution

The fourth proportional to 56,492.78, 77,960.94 and 32,621.54 is: 45,018.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,492.78 : 77,960.94 = 32,621.54 : x
  2. Step 2: Convert to fraction form
    56,492.78/77,960.94 = 32,621.54/x
  3. Step 3: Cross multiply
    56,492.78x = 77,960.94 × 32,621.54
  4. Step 4: Simplify right side
    56,492.78x = 2,543,205,947.53
  5. Step 5: Solve for x
    x = 2,543,205,947.53/56,492.78
  6. Step 6: Final answer
    x = 45,018.25

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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.