Home / 48,015.05-72,014.36-12,946.50

Finding the Fourth Proportional to 48,015.05, 72,014.36 and 12,946.50

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Solution

The fourth proportional to 48,015.05, 72,014.36 and 12,946.50 is: 19,417.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,015.05 : 72,014.36 = 12,946.50 : x
  2. Step 2: Convert to fraction form
    48,015.05/72,014.36 = 12,946.50/x
  3. Step 3: Cross multiply
    48,015.05x = 72,014.36 × 12,946.50
  4. Step 4: Simplify right side
    48,015.05x = 932,333,847.01
  5. Step 5: Solve for x
    x = 932,333,847.01/48,015.05
  6. Step 6: Final answer
    x = 19,417.54

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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.