Home / 52,709.62-79,075.02-19,429.86

Finding the Fourth Proportional to 52,709.62, 79,075.02 and 19,429.86

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Solution

The fourth proportional to 52,709.62, 79,075.02 and 19,429.86 is: 29,148.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,709.62 : 79,075.02 = 19,429.86 : x
  2. Step 2: Convert to fraction form
    52,709.62/79,075.02 = 19,429.86/x
  3. Step 3: Cross multiply
    52,709.62x = 79,075.02 × 19,429.86
  4. Step 4: Simplify right side
    52,709.62x = 1,536,416,568.10
  5. Step 5: Solve for x
    x = 1,536,416,568.10/52,709.62
  6. Step 6: Final answer
    x = 29,148.69

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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.