Home / 52,498.14-78,763.10-18,759.74

Finding the Fourth Proportional to 52,498.14, 78,763.10 and 18,759.74

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Solution

The fourth proportional to 52,498.14, 78,763.10 and 18,759.74 is: 28,145.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,498.14 : 78,763.10 = 18,759.74 : x
  2. Step 2: Convert to fraction form
    52,498.14/78,763.10 = 18,759.74/x
  3. Step 3: Cross multiply
    52,498.14x = 78,763.10 × 18,759.74
  4. Step 4: Simplify right side
    52,498.14x = 1,477,575,277.59
  5. Step 5: Solve for x
    x = 1,477,575,277.59/52,498.14
  6. Step 6: Final answer
    x = 28,145.29

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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.