Home / 39,397.10-59,106.60-21,879.23

Finding the Fourth Proportional to 39,397.10, 59,106.60 and 21,879.23

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Solution

The fourth proportional to 39,397.10, 59,106.60 and 21,879.23 is: 32,824.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,397.10 : 59,106.60 = 21,879.23 : x
  2. Step 2: Convert to fraction form
    39,397.10/59,106.60 = 21,879.23/x
  3. Step 3: Cross multiply
    39,397.10x = 59,106.60 × 21,879.23
  4. Step 4: Simplify right side
    39,397.10x = 1,293,206,895.92
  5. Step 5: Solve for x
    x = 1,293,206,895.92/39,397.10
  6. Step 6: Final answer
    x = 32,824.93

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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.