Home / 39,730.77-59,505.44-18,968.85

Finding the Fourth Proportional to 39,730.77, 59,505.44 and 18,968.85

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Solution

The fourth proportional to 39,730.77, 59,505.44 and 18,968.85 is: 28,409.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,730.77 : 59,505.44 = 18,968.85 : x
  2. Step 2: Convert to fraction form
    39,730.77/59,505.44 = 18,968.85/x
  3. Step 3: Cross multiply
    39,730.77x = 59,505.44 × 18,968.85
  4. Step 4: Simplify right side
    39,730.77x = 1,128,749,670.70
  5. Step 5: Solve for x
    x = 1,128,749,670.70/39,730.77
  6. Step 6: Final answer
    x = 28,409.96

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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.