Home / 39,383.16-59,073.62-12,729.08

Finding the Fourth Proportional to 39,383.16, 59,073.62 and 12,729.08

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Solution

The fourth proportional to 39,383.16, 59,073.62 and 12,729.08 is: 19,093.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,383.16 : 59,073.62 = 12,729.08 : x
  2. Step 2: Convert to fraction form
    39,383.16/59,073.62 = 12,729.08/x
  3. Step 3: Cross multiply
    39,383.16x = 59,073.62 × 12,729.08
  4. Step 4: Simplify right side
    39,383.16x = 751,952,834.87
  5. Step 5: Solve for x
    x = 751,952,834.87/39,383.16
  6. Step 6: Final answer
    x = 19,093.26

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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.