Home / 52,196.85-78,294.90-12,753.60

Finding the Fourth Proportional to 52,196.85, 78,294.90 and 12,753.60

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Solution

The fourth proportional to 52,196.85, 78,294.90 and 12,753.60 is: 19,130.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,196.85 : 78,294.90 = 12,753.60 : x
  2. Step 2: Convert to fraction form
    52,196.85/78,294.90 = 12,753.60/x
  3. Step 3: Cross multiply
    52,196.85x = 78,294.90 × 12,753.60
  4. Step 4: Simplify right side
    52,196.85x = 998,541,836.64
  5. Step 5: Solve for x
    x = 998,541,836.64/52,196.85
  6. Step 6: Final answer
    x = 19,130.31

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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.