Home / 39,645.16-59,477.82-11,942.44

Finding the Fourth Proportional to 39,645.16, 59,477.82 and 11,942.44

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Solution

The fourth proportional to 39,645.16, 59,477.82 and 11,942.44 is: 17,916.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,645.16 : 59,477.82 = 11,942.44 : x
  2. Step 2: Convert to fraction form
    39,645.16/59,477.82 = 11,942.44/x
  3. Step 3: Cross multiply
    39,645.16x = 59,477.82 × 11,942.44
  4. Step 4: Simplify right side
    39,645.16x = 710,310,296.68
  5. Step 5: Solve for x
    x = 710,310,296.68/39,645.16
  6. Step 6: Final answer
    x = 17,916.70

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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.