Home / 56,607.30-78,122.43-33,947.15

Finding the Fourth Proportional to 56,607.30, 78,122.43 and 33,947.15

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Solution

The fourth proportional to 56,607.30, 78,122.43 and 33,947.15 is: 46,849.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,607.30 : 78,122.43 = 33,947.15 : x
  2. Step 2: Convert to fraction form
    56,607.30/78,122.43 = 33,947.15/x
  3. Step 3: Cross multiply
    56,607.30x = 78,122.43 × 33,947.15
  4. Step 4: Simplify right side
    56,607.30x = 2,652,033,458.96
  5. Step 5: Solve for x
    x = 2,652,033,458.96/56,607.30
  6. Step 6: Final answer
    x = 46,849.67

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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.