Home / 52,261.04-78,390.44-12,818.36

Finding the Fourth Proportional to 52,261.04, 78,390.44 and 12,818.36

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Solution

The fourth proportional to 52,261.04, 78,390.44 and 12,818.36 is: 19,227.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,261.04 : 78,390.44 = 12,818.36 : x
  2. Step 2: Convert to fraction form
    52,261.04/78,390.44 = 12,818.36/x
  3. Step 3: Cross multiply
    52,261.04x = 78,390.44 × 12,818.36
  4. Step 4: Simplify right side
    52,261.04x = 1,004,836,880.48
  5. Step 5: Solve for x
    x = 1,004,836,880.48/52,261.04
  6. Step 6: Final answer
    x = 19,227.27

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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.