Home / 52,338.21-78,460.53-19,034.80

Finding the Fourth Proportional to 52,338.21, 78,460.53 and 19,034.80

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Solution

The fourth proportional to 52,338.21, 78,460.53 and 19,034.80 is: 28,535.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,338.21 : 78,460.53 = 19,034.80 : x
  2. Step 2: Convert to fraction form
    52,338.21/78,460.53 = 19,034.80/x
  3. Step 3: Cross multiply
    52,338.21x = 78,460.53 × 19,034.80
  4. Step 4: Simplify right side
    52,338.21x = 1,493,480,496.44
  5. Step 5: Solve for x
    x = 1,493,480,496.44/52,338.21
  6. Step 6: Final answer
    x = 28,535.18

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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.