Home / 52,288.19-78,397.61-19,004.30

Finding the Fourth Proportional to 52,288.19, 78,397.61 and 19,004.30

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Solution

The fourth proportional to 52,288.19, 78,397.61 and 19,004.30 is: 28,493.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,288.19 : 78,397.61 = 19,004.30 : x
  2. Step 2: Convert to fraction form
    52,288.19/78,397.61 = 19,004.30/x
  3. Step 3: Cross multiply
    52,288.19x = 78,397.61 × 19,004.30
  4. Step 4: Simplify right side
    52,288.19x = 1,489,891,212.71
  5. Step 5: Solve for x
    x = 1,489,891,212.71/52,288.19
  6. Step 6: Final answer
    x = 28,493.84

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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.