Home / 52,141.82-78,219.28-25,488.67

Finding the Fourth Proportional to 52,141.82, 78,219.28 and 25,488.67

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Solution

The fourth proportional to 52,141.82, 78,219.28 and 25,488.67 is: 38,236.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,141.82 : 78,219.28 = 25,488.67 : x
  2. Step 2: Convert to fraction form
    52,141.82/78,219.28 = 25,488.67/x
  3. Step 3: Cross multiply
    52,141.82x = 78,219.28 × 25,488.67
  4. Step 4: Simplify right side
    52,141.82x = 1,993,705,415.56
  5. Step 5: Solve for x
    x = 1,993,705,415.56/52,141.82
  6. Step 6: Final answer
    x = 38,236.21

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1.5x scale

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.