Home / 39,180.53-58,774.89-12,887.32

Finding the Fourth Proportional to 39,180.53, 58,774.89 and 12,887.32

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Solution

The fourth proportional to 39,180.53, 58,774.89 and 12,887.32 is: 19,332.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,180.53 : 58,774.89 = 12,887.32 : x
  2. Step 2: Convert to fraction form
    39,180.53/58,774.89 = 12,887.32/x
  3. Step 3: Cross multiply
    39,180.53x = 58,774.89 × 12,887.32
  4. Step 4: Simplify right side
    39,180.53x = 757,450,815.39
  5. Step 5: Solve for x
    x = 757,450,815.39/39,180.53
  6. Step 6: Final answer
    x = 19,332.33

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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.