Home / 64,893.24-97,340.58-20,518.92

Finding the Fourth Proportional to 64,893.24, 97,340.58 and 20,518.92

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Solution

The fourth proportional to 64,893.24, 97,340.58 and 20,518.92 is: 30,778.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,893.24 : 97,340.58 = 20,518.92 : x
  2. Step 2: Convert to fraction form
    64,893.24/97,340.58 = 20,518.92/x
  3. Step 3: Cross multiply
    64,893.24x = 97,340.58 × 20,518.92
  4. Step 4: Simplify right side
    64,893.24x = 1,997,323,573.77
  5. Step 5: Solve for x
    x = 1,997,323,573.77/64,893.24
  6. Step 6: Final answer
    x = 30,778.61

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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.