Home / 52,286.90-78,430.61-12,844.02

Finding the Fourth Proportional to 52,286.90, 78,430.61 and 12,844.02

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Solution

The fourth proportional to 52,286.90, 78,430.61 and 12,844.02 is: 19,266.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,286.90 : 78,430.61 = 12,844.02 : x
  2. Step 2: Convert to fraction form
    52,286.90/78,430.61 = 12,844.02/x
  3. Step 3: Cross multiply
    52,286.90x = 78,430.61 × 12,844.02
  4. Step 4: Simplify right side
    52,286.90x = 1,007,364,259.23
  5. Step 5: Solve for x
    x = 1,007,364,259.23/52,286.90
  6. Step 6: Final answer
    x = 19,266.09

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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.