Home / 52,045.60-78,049.20-16,986.40

Finding the Fourth Proportional to 52,045.60, 78,049.20 and 16,986.40

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Solution

The fourth proportional to 52,045.60, 78,049.20 and 16,986.40 is: 25,473.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,045.60 : 78,049.20 = 16,986.40 : x
  2. Step 2: Convert to fraction form
    52,045.60/78,049.20 = 16,986.40/x
  3. Step 3: Cross multiply
    52,045.60x = 78,049.20 × 16,986.40
  4. Step 4: Simplify right side
    52,045.60x = 1,325,774,930.88
  5. Step 5: Solve for x
    x = 1,325,774,930.88/52,045.60
  6. Step 6: Final answer
    x = 25,473.33

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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.