Home / 39,095.37-53,951.68-21,190.32

Finding the Fourth Proportional to 39,095.37, 53,951.68 and 21,190.32

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Solution

The fourth proportional to 39,095.37, 53,951.68 and 21,190.32 is: 29,242.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,095.37 : 53,951.68 = 21,190.32 : x
  2. Step 2: Convert to fraction form
    39,095.37/53,951.68 = 21,190.32/x
  3. Step 3: Cross multiply
    39,095.37x = 53,951.68 × 21,190.32
  4. Step 4: Simplify right side
    39,095.37x = 1,143,253,310.76
  5. Step 5: Solve for x
    x = 1,143,253,310.76/39,095.37
  6. Step 6: Final answer
    x = 29,242.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.