Home / 64,997.90-97,508.73-20,635.82

Finding the Fourth Proportional to 64,997.90, 97,508.73 and 20,635.82

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Solution

The fourth proportional to 64,997.90, 97,508.73 and 20,635.82 is: 30,957.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,997.90 : 97,508.73 = 20,635.82 : x
  2. Step 2: Convert to fraction form
    64,997.90/97,508.73 = 20,635.82/x
  3. Step 3: Cross multiply
    64,997.90x = 97,508.73 × 20,635.82
  4. Step 4: Simplify right side
    64,997.90x = 2,012,172,600.71
  5. Step 5: Solve for x
    x = 2,012,172,600.71/64,997.90
  6. Step 6: Final answer
    x = 30,957.50

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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.