Home / 39,761.01-59,571.40-20,999.62

Finding the Fourth Proportional to 39,761.01, 59,571.40 and 20,999.62

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Solution

The fourth proportional to 39,761.01, 59,571.40 and 20,999.62 is: 31,462.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,761.01 : 59,571.40 = 20,999.62 : x
  2. Step 2: Convert to fraction form
    39,761.01/59,571.40 = 20,999.62/x
  3. Step 3: Cross multiply
    39,761.01x = 59,571.40 × 20,999.62
  4. Step 4: Simplify right side
    39,761.01x = 1,250,976,824.21
  5. Step 5: Solve for x
    x = 1,250,976,824.21/39,761.01
  6. Step 6: Final answer
    x = 31,462.40

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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.