Home / 48,747.40-73,115.70-13,690.60

Finding the Fourth Proportional to 48,747.40, 73,115.70 and 13,690.60

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Solution

The fourth proportional to 48,747.40, 73,115.70 and 13,690.60 is: 20,534.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,747.40 : 73,115.70 = 13,690.60 : x
  2. Step 2: Convert to fraction form
    48,747.40/73,115.70 = 13,690.60/x
  3. Step 3: Cross multiply
    48,747.40x = 73,115.70 × 13,690.60
  4. Step 4: Simplify right side
    48,747.40x = 1,000,997,802.42
  5. Step 5: Solve for x
    x = 1,000,997,802.42/48,747.40
  6. Step 6: Final answer
    x = 20,534.38

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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.