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Finding the Fourth Proportional to 52,798.99, 79,184.58 and 19,528.59

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Solution

The fourth proportional to 52,798.99, 79,184.58 and 19,528.59 is: 29,287.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,798.99 : 79,184.58 = 19,528.59 : x
  2. Step 2: Convert to fraction form
    52,798.99/79,184.58 = 19,528.59/x
  3. Step 3: Cross multiply
    52,798.99x = 79,184.58 × 19,528.59
  4. Step 4: Simplify right side
    52,798.99x = 1,546,363,197.14
  5. Step 5: Solve for x
    x = 1,546,363,197.14/52,798.99
  6. Step 6: Final answer
    x = 29,287.74

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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.