Home / 39,773.47-59,589.99-21,012.07

Finding the Fourth Proportional to 39,773.47, 59,589.99 and 21,012.07

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Solution

The fourth proportional to 39,773.47, 59,589.99 and 21,012.07 is: 31,481.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,773.47 : 59,589.99 = 21,012.07 : x
  2. Step 2: Convert to fraction form
    39,773.47/59,589.99 = 21,012.07/x
  3. Step 3: Cross multiply
    39,773.47x = 59,589.99 × 21,012.07
  4. Step 4: Simplify right side
    39,773.47x = 1,252,109,041.18
  5. Step 5: Solve for x
    x = 1,252,109,041.18/39,773.47
  6. Step 6: Final answer
    x = 31,481.01

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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.