Home / 52,505.08-78,751.76-18,763.88

Finding the Fourth Proportional to 52,505.08, 78,751.76 and 18,763.88

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Solution

The fourth proportional to 52,505.08, 78,751.76 and 18,763.88 is: 28,143.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,505.08 : 78,751.76 = 18,763.88 : x
  2. Step 2: Convert to fraction form
    52,505.08/78,751.76 = 18,763.88/x
  3. Step 3: Cross multiply
    52,505.08x = 78,751.76 × 18,763.88
  4. Step 4: Simplify right side
    52,505.08x = 1,477,688,574.43
  5. Step 5: Solve for x
    x = 1,477,688,574.43/52,505.08
  6. Step 6: Final answer
    x = 28,143.73

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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.