Home / 52,439.49-78,658.47-12,996.33

Finding the Fourth Proportional to 52,439.49, 78,658.47 and 12,996.33

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Solution

The fourth proportional to 52,439.49, 78,658.47 and 12,996.33 is: 19,494.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,439.49 : 78,658.47 = 12,996.33 : x
  2. Step 2: Convert to fraction form
    52,439.49/78,658.47 = 12,996.33/x
  3. Step 3: Cross multiply
    52,439.49x = 78,658.47 × 12,996.33
  4. Step 4: Simplify right side
    52,439.49x = 1,022,271,433.42
  5. Step 5: Solve for x
    x = 1,022,271,433.42/52,439.49
  6. Step 6: Final answer
    x = 19,494.31

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Double scale
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Similar ratio
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1.5x scale

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.