Home / 39,704.46-59,561.94-20,985.24

Finding the Fourth Proportional to 39,704.46, 59,561.94 and 20,985.24

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Solution

The fourth proportional to 39,704.46, 59,561.94 and 20,985.24 is: 31,480.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,704.46 : 59,561.94 = 20,985.24 : x
  2. Step 2: Convert to fraction form
    39,704.46/59,561.94 = 20,985.24/x
  3. Step 3: Cross multiply
    39,704.46x = 59,561.94 × 20,985.24
  4. Step 4: Simplify right side
    39,704.46x = 1,249,921,605.77
  5. Step 5: Solve for x
    x = 1,249,921,605.77/39,704.46
  6. Step 6: Final answer
    x = 31,480.63

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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.