Home / 52,184.22-78,276.06-12,741.54

Finding the Fourth Proportional to 52,184.22, 78,276.06 and 12,741.54

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Solution

The fourth proportional to 52,184.22, 78,276.06 and 12,741.54 is: 19,112.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,184.22 : 78,276.06 = 12,741.54 : x
  2. Step 2: Convert to fraction form
    52,184.22/78,276.06 = 12,741.54/x
  3. Step 3: Cross multiply
    52,184.22x = 78,276.06 × 12,741.54
  4. Step 4: Simplify right side
    52,184.22x = 997,357,549.53
  5. Step 5: Solve for x
    x = 997,357,549.53/52,184.22
  6. Step 6: Final answer
    x = 19,112.24

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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.