Home / 52,113.08-78,168.92-12,670.08

Finding the Fourth Proportional to 52,113.08, 78,168.92 and 12,670.08

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Solution

The fourth proportional to 52,113.08, 78,168.92 and 12,670.08 is: 19,004.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,113.08 : 78,168.92 = 12,670.08 : x
  2. Step 2: Convert to fraction form
    52,113.08/78,168.92 = 12,670.08/x
  3. Step 3: Cross multiply
    52,113.08x = 78,168.92 × 12,670.08
  4. Step 4: Simplify right side
    52,113.08x = 990,406,469.91
  5. Step 5: Solve for x
    x = 990,406,469.91/52,113.08
  6. Step 6: Final answer
    x = 19,004.95

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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.