Home / 64,234.79-96,352.20-19,860.56

Finding the Fourth Proportional to 64,234.79, 96,352.20 and 19,860.56

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Solution

The fourth proportional to 64,234.79, 96,352.20 and 19,860.56 is: 29,790.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,234.79 : 96,352.20 = 19,860.56 : x
  2. Step 2: Convert to fraction form
    64,234.79/96,352.20 = 19,860.56/x
  3. Step 3: Cross multiply
    64,234.79x = 96,352.20 × 19,860.56
  4. Step 4: Simplify right side
    64,234.79x = 1,913,609,070.77
  5. Step 5: Solve for x
    x = 1,913,609,070.77/64,234.79
  6. Step 6: Final answer
    x = 29,790.85

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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.