Home / 39,709.86-59,566.22-19,977.68

Finding the Fourth Proportional to 39,709.86, 59,566.22 and 19,977.68

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Solution

The fourth proportional to 39,709.86, 59,566.22 and 19,977.68 is: 29,967.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,709.86 : 59,566.22 = 19,977.68 : x
  2. Step 2: Convert to fraction form
    39,709.86/59,566.22 = 19,977.68/x
  3. Step 3: Cross multiply
    39,709.86x = 59,566.22 × 19,977.68
  4. Step 4: Simplify right side
    39,709.86x = 1,189,994,881.97
  5. Step 5: Solve for x
    x = 1,189,994,881.97/39,709.86
  6. Step 6: Final answer
    x = 29,967.24

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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.